Home / 2,152,390.90-2,970,319.53-1,185,524.74

Finding the Fourth Proportional to 2,152,390.90, 2,970,319.53 and 1,185,524.74

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Solution

The fourth proportional to 2,152,390.90, 2,970,319.53 and 1,185,524.74 is: 1,636,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,390.90 : 2,970,319.53 = 1,185,524.74 : x
  2. Step 2: Convert to fraction form
    2,152,390.90/2,970,319.53 = 1,185,524.74/x
  3. Step 3: Cross multiply
    2,152,390.90x = 2,970,319.53 × 1,185,524.74
  4. Step 4: Simplify right side
    2,152,390.90x = 3,521,387,288,520.17
  5. Step 5: Solve for x
    x = 3,521,387,288,520.17/2,152,390.90
  6. Step 6: Final answer
    x = 1,636,035.21

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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.