Home / 3,117,925.32-4,677,281.64-987,247.86

Finding the Fourth Proportional to 3,117,925.32, 4,677,281.64 and 987,247.86

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Solution

The fourth proportional to 3,117,925.32, 4,677,281.64 and 987,247.86 is: 1,480,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,925.32 : 4,677,281.64 = 987,247.86 : x
  2. Step 2: Convert to fraction form
    3,117,925.32/4,677,281.64 = 987,247.86/x
  3. Step 3: Cross multiply
    3,117,925.32x = 4,677,281.64 × 987,247.86
  4. Step 4: Simplify right side
    3,117,925.32x = 4,617,636,289,707.29
  5. Step 5: Solve for x
    x = 4,617,636,289,707.29/3,117,925.32
  6. Step 6: Final answer
    x = 1,480,996.44

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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.