Home / 6,389,442.54-8,817,395.63-3,488,812.83

Finding the Fourth Proportional to 6,389,442.54, 8,817,395.63 and 3,488,812.83

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Solution

The fourth proportional to 6,389,442.54, 8,817,395.63 and 3,488,812.83 is: 4,814,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,442.54 : 8,817,395.63 = 3,488,812.83 : x
  2. Step 2: Convert to fraction form
    6,389,442.54/8,817,395.63 = 3,488,812.83/x
  3. Step 3: Cross multiply
    6,389,442.54x = 8,817,395.63 × 3,488,812.83
  4. Step 4: Simplify right side
    6,389,442.54x = 30,762,242,983,685.87
  5. Step 5: Solve for x
    x = 30,762,242,983,685.87/6,389,442.54
  6. Step 6: Final answer
    x = 4,814,542.55

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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.