Home / 3,119,658.40-4,681,042.80-1,772,855.20

Finding the Fourth Proportional to 3,119,658.40, 4,681,042.80 and 1,772,855.20

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Solution

The fourth proportional to 3,119,658.40, 4,681,042.80 and 1,772,855.20 is: 2,660,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,658.40 : 4,681,042.80 = 1,772,855.20 : x
  2. Step 2: Convert to fraction form
    3,119,658.40/4,681,042.80 = 1,772,855.20/x
  3. Step 3: Cross multiply
    3,119,658.40x = 4,681,042.80 × 1,772,855.20
  4. Step 4: Simplify right side
    3,119,658.40x = 8,298,811,069,402.56
  5. Step 5: Solve for x
    x = 8,298,811,069,402.56/3,119,658.40
  6. Step 6: Final answer
    x = 2,660,166.60

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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.