Home / 5,254,274.10-7,881,411.15-3,128,510.10

Finding the Fourth Proportional to 5,254,274.10, 7,881,411.15 and 3,128,510.10

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Solution

The fourth proportional to 5,254,274.10, 7,881,411.15 and 3,128,510.10 is: 4,692,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,274.10 : 7,881,411.15 = 3,128,510.10 : x
  2. Step 2: Convert to fraction form
    5,254,274.10/7,881,411.15 = 3,128,510.10/x
  3. Step 3: Cross multiply
    5,254,274.10x = 7,881,411.15 × 3,128,510.10
  4. Step 4: Simplify right side
    5,254,274.10x = 24,657,074,385,027.62
  5. Step 5: Solve for x
    x = 24,657,074,385,027.62/5,254,274.10
  6. Step 6: Final answer
    x = 4,692,765.15

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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.