Home / 1,853,195.10-2,779,792.65-1,432,772.70

Finding the Fourth Proportional to 1,853,195.10, 2,779,792.65 and 1,432,772.70

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Solution

The fourth proportional to 1,853,195.10, 2,779,792.65 and 1,432,772.70 is: 2,149,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,195.10 : 2,779,792.65 = 1,432,772.70 : x
  2. Step 2: Convert to fraction form
    1,853,195.10/2,779,792.65 = 1,432,772.70/x
  3. Step 3: Cross multiply
    1,853,195.10x = 2,779,792.65 × 1,432,772.70
  4. Step 4: Simplify right side
    1,853,195.10x = 3,982,811,020,580.66
  5. Step 5: Solve for x
    x = 3,982,811,020,580.66/1,853,195.10
  6. Step 6: Final answer
    x = 2,149,159.05

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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.