Home / 2,152,382.90-2,970,288.31-1,185,513.22

Finding the Fourth Proportional to 2,152,382.90, 2,970,288.31 and 1,185,513.22

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Solution

The fourth proportional to 2,152,382.90, 2,970,288.31 and 1,185,513.22 is: 1,636,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,382.90 : 2,970,288.31 = 1,185,513.22 : x
  2. Step 2: Convert to fraction form
    2,152,382.90/2,970,288.31 = 1,185,513.22/x
  3. Step 3: Cross multiply
    2,152,382.90x = 2,970,288.31 × 1,185,513.22
  4. Step 4: Simplify right side
    2,152,382.90x = 3,521,316,037,937.45
  5. Step 5: Solve for x
    x = 3,521,316,037,937.45/2,152,382.90
  6. Step 6: Final answer
    x = 1,636,008.19

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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.