Home / 4,860,864.60-7,290,605.70-1,666,138.20

Finding the Fourth Proportional to 4,860,864.60, 7,290,605.70 and 1,666,138.20

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Solution

The fourth proportional to 4,860,864.60, 7,290,605.70 and 1,666,138.20 is: 2,498,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,864.60 : 7,290,605.70 = 1,666,138.20 : x
  2. Step 2: Convert to fraction form
    4,860,864.60/7,290,605.70 = 1,666,138.20/x
  3. Step 3: Cross multiply
    4,860,864.60x = 7,290,605.70 × 1,666,138.20
  4. Step 4: Simplify right side
    4,860,864.60x = 12,147,156,657,907.74
  5. Step 5: Solve for x
    x = 12,147,156,657,907.74/4,860,864.60
  6. Step 6: Final answer
    x = 2,498,970.38

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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.