Home / 3,488,780.40-5,232,479.40-1,691,660.40

Finding the Fourth Proportional to 3,488,780.40, 5,232,479.40 and 1,691,660.40

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Solution

The fourth proportional to 3,488,780.40, 5,232,479.40 and 1,691,660.40 is: 2,537,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,780.40 : 5,232,479.40 = 1,691,660.40 : x
  2. Step 2: Convert to fraction form
    3,488,780.40/5,232,479.40 = 1,691,660.40/x
  3. Step 3: Cross multiply
    3,488,780.40x = 5,232,479.40 × 1,691,660.40
  4. Step 4: Simplify right side
    3,488,780.40x = 8,851,578,194,795.76
  5. Step 5: Solve for x
    x = 8,851,578,194,795.76/3,488,780.40
  6. Step 6: Final answer
    x = 2,537,155.45

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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.