Home / 3,132,440.80-4,698,661.20-1,538,117.80

Finding the Fourth Proportional to 3,132,440.80, 4,698,661.20 and 1,538,117.80

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Solution

The fourth proportional to 3,132,440.80, 4,698,661.20 and 1,538,117.80 is: 2,307,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,440.80 : 4,698,661.20 = 1,538,117.80 : x
  2. Step 2: Convert to fraction form
    3,132,440.80/4,698,661.20 = 1,538,117.80/x
  3. Step 3: Cross multiply
    3,132,440.80x = 4,698,661.20 × 1,538,117.80
  4. Step 4: Simplify right side
    3,132,440.80x = 7,227,094,427,889.36
  5. Step 5: Solve for x
    x = 7,227,094,427,889.36/3,132,440.80
  6. Step 6: Final answer
    x = 2,307,176.70

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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.