Home / 5,715,730.84-7,884,120.72-3,390,977.47

Finding the Fourth Proportional to 5,715,730.84, 7,884,120.72 and 3,390,977.47

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Solution

The fourth proportional to 5,715,730.84, 7,884,120.72 and 3,390,977.47 is: 4,677,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,730.84 : 7,884,120.72 = 3,390,977.47 : x
  2. Step 2: Convert to fraction form
    5,715,730.84/7,884,120.72 = 3,390,977.47/x
  3. Step 3: Cross multiply
    5,715,730.84x = 7,884,120.72 × 3,390,977.47
  4. Step 4: Simplify right side
    5,715,730.84x = 26,734,875,732,280.18
  5. Step 5: Solve for x
    x = 26,734,875,732,280.18/5,715,730.84
  6. Step 6: Final answer
    x = 4,677,420.35

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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.