Home / 1,535,767.89-2,119,264.39-847,445.18

Finding the Fourth Proportional to 1,535,767.89, 2,119,264.39 and 847,445.18

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Solution

The fourth proportional to 1,535,767.89, 2,119,264.39 and 847,445.18 is: 1,169,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,767.89 : 2,119,264.39 = 847,445.18 : x
  2. Step 2: Convert to fraction form
    1,535,767.89/2,119,264.39 = 847,445.18/x
  3. Step 3: Cross multiply
    1,535,767.89x = 2,119,264.39 × 847,445.18
  4. Step 4: Simplify right side
    1,535,767.89x = 1,795,960,399,867.91
  5. Step 5: Solve for x
    x = 1,795,960,399,867.91/1,535,767.89
  6. Step 6: Final answer
    x = 1,169,421.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.