Home / 2,154,470.64-2,973,168.72-1,187,617.08

Finding the Fourth Proportional to 2,154,470.64, 2,973,168.72 and 1,187,617.08

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Solution

The fourth proportional to 2,154,470.64, 2,973,168.72 and 1,187,617.08 is: 1,638,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,470.64 : 2,973,168.72 = 1,187,617.08 : x
  2. Step 2: Convert to fraction form
    2,154,470.64/2,973,168.72 = 1,187,617.08/x
  3. Step 3: Cross multiply
    2,154,470.64x = 2,973,168.72 × 1,187,617.08
  4. Step 4: Simplify right side
    2,154,470.64x = 3,530,985,953,593.74
  5. Step 5: Solve for x
    x = 3,530,985,953,593.74/2,154,470.64
  6. Step 6: Final answer
    x = 1,638,911.15

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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.