Home / 2,154,317.52-2,972,977.98-1,187,484.90

Finding the Fourth Proportional to 2,154,317.52, 2,972,977.98 and 1,187,484.90

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Solution

The fourth proportional to 2,154,317.52, 2,972,977.98 and 1,187,484.90 is: 1,638,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,317.52 : 2,972,977.98 = 1,187,484.90 : x
  2. Step 2: Convert to fraction form
    2,154,317.52/2,972,977.98 = 1,187,484.90/x
  3. Step 3: Cross multiply
    2,154,317.52x = 2,972,977.98 × 1,187,484.90
  4. Step 4: Simplify right side
    2,154,317.52x = 3,530,366,459,282.50
  5. Step 5: Solve for x
    x = 3,530,366,459,282.50/2,154,317.52
  6. Step 6: Final answer
    x = 1,638,740.08

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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.