Home / 3,306,931.20-4,960,400.40-1,312,387.20

Finding the Fourth Proportional to 3,306,931.20, 4,960,400.40 and 1,312,387.20

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Solution

The fourth proportional to 3,306,931.20, 4,960,400.40 and 1,312,387.20 is: 1,968,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306,931.20 : 4,960,400.40 = 1,312,387.20 : x
  2. Step 2: Convert to fraction form
    3,306,931.20/4,960,400.40 = 1,312,387.20/x
  3. Step 3: Cross multiply
    3,306,931.20x = 4,960,400.40 × 1,312,387.20
  4. Step 4: Simplify right side
    3,306,931.20x = 6,509,965,991,834.88
  5. Step 5: Solve for x
    x = 6,509,965,991,834.88/3,306,931.20
  6. Step 6: Final answer
    x = 1,968,582.23

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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.