Home / 5,431,501.80-8,142,068.70-2,018,874.60

Finding the Fourth Proportional to 5,431,501.80, 8,142,068.70 and 2,018,874.60

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Solution

The fourth proportional to 5,431,501.80, 8,142,068.70 and 2,018,874.60 is: 3,026,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,501.80 : 8,142,068.70 = 2,018,874.60 : x
  2. Step 2: Convert to fraction form
    5,431,501.80/8,142,068.70 = 2,018,874.60/x
  3. Step 3: Cross multiply
    5,431,501.80x = 8,142,068.70 × 2,018,874.60
  4. Step 4: Simplify right side
    5,431,501.80x = 16,437,815,689,885.02
  5. Step 5: Solve for x
    x = 16,437,815,689,885.02/5,431,501.80
  6. Step 6: Final answer
    x = 3,026,385.02

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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.