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Finding the Fourth Proportional to 1,929,557.64, 2,893,744.08 and 1,334,343.72

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Solution

The fourth proportional to 1,929,557.64, 2,893,744.08 and 1,334,343.72 is: 2,001,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,557.64 : 2,893,744.08 = 1,334,343.72 : x
  2. Step 2: Convert to fraction form
    1,929,557.64/2,893,744.08 = 1,334,343.72/x
  3. Step 3: Cross multiply
    1,929,557.64x = 2,893,744.08 × 1,334,343.72
  4. Step 4: Simplify right side
    1,929,557.64x = 3,861,249,240,435.18
  5. Step 5: Solve for x
    x = 3,861,249,240,435.18/1,929,557.64
  6. Step 6: Final answer
    x = 2,001,105.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.