Home / 1,518,642.08-2,097,420.72-1,178,593.28

Finding the Fourth Proportional to 1,518,642.08, 2,097,420.72 and 1,178,593.28

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Solution

The fourth proportional to 1,518,642.08, 2,097,420.72 and 1,178,593.28 is: 1,627,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,642.08 : 2,097,420.72 = 1,178,593.28 : x
  2. Step 2: Convert to fraction form
    1,518,642.08/2,097,420.72 = 1,178,593.28/x
  3. Step 3: Cross multiply
    1,518,642.08x = 2,097,420.72 × 1,178,593.28
  4. Step 4: Simplify right side
    1,518,642.08x = 2,472,005,965,924.76
  5. Step 5: Solve for x
    x = 2,472,005,965,924.76/1,518,642.08
  6. Step 6: Final answer
    x = 1,627,773.92

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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.