Home / 4,678,994.30-7,018,491.45-2,860,285.10

Finding the Fourth Proportional to 4,678,994.30, 7,018,491.45 and 2,860,285.10

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Solution

The fourth proportional to 4,678,994.30, 7,018,491.45 and 2,860,285.10 is: 4,290,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,994.30 : 7,018,491.45 = 2,860,285.10 : x
  2. Step 2: Convert to fraction form
    4,678,994.30/7,018,491.45 = 2,860,285.10/x
  3. Step 3: Cross multiply
    4,678,994.30x = 7,018,491.45 × 2,860,285.10
  4. Step 4: Simplify right side
    4,678,994.30x = 20,074,886,518,912.39
  5. Step 5: Solve for x
    x = 20,074,886,518,912.39/4,678,994.30
  6. Step 6: Final answer
    x = 4,290,427.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.