Home / 5,715,724.12-7,884,111.38-3,390,970.76

Finding the Fourth Proportional to 5,715,724.12, 7,884,111.38 and 3,390,970.76

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Solution

The fourth proportional to 5,715,724.12, 7,884,111.38 and 3,390,970.76 is: 4,677,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,724.12 : 7,884,111.38 = 3,390,970.76 : x
  2. Step 2: Convert to fraction form
    5,715,724.12/7,884,111.38 = 3,390,970.76/x
  3. Step 3: Cross multiply
    5,715,724.12x = 7,884,111.38 × 3,390,970.76
  4. Step 4: Simplify right side
    5,715,724.12x = 26,734,791,158,163.25
  5. Step 5: Solve for x
    x = 26,734,791,158,163.25/5,715,724.12
  6. Step 6: Final answer
    x = 4,677,411.05

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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.