Home / 5,443,810.30-8,165,715.45-1,853,631.10

Finding the Fourth Proportional to 5,443,810.30, 8,165,715.45 and 1,853,631.10

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Solution

The fourth proportional to 5,443,810.30, 8,165,715.45 and 1,853,631.10 is: 2,780,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443,810.30 : 8,165,715.45 = 1,853,631.10 : x
  2. Step 2: Convert to fraction form
    5,443,810.30/8,165,715.45 = 1,853,631.10/x
  3. Step 3: Cross multiply
    5,443,810.30x = 8,165,715.45 × 1,853,631.10
  4. Step 4: Simplify right side
    5,443,810.30x = 15,136,224,111,870.50
  5. Step 5: Solve for x
    x = 15,136,224,111,870.50/5,443,810.30
  6. Step 6: Final answer
    x = 2,780,446.65

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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.