Home / 2,986,103.20-4,479,154.80-1,852,362.40

Finding the Fourth Proportional to 2,986,103.20, 4,479,154.80 and 1,852,362.40

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Solution

The fourth proportional to 2,986,103.20, 4,479,154.80 and 1,852,362.40 is: 2,778,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,103.20 : 4,479,154.80 = 1,852,362.40 : x
  2. Step 2: Convert to fraction form
    2,986,103.20/4,479,154.80 = 1,852,362.40/x
  3. Step 3: Cross multiply
    2,986,103.20x = 4,479,154.80 × 1,852,362.40
  4. Step 4: Simplify right side
    2,986,103.20x = 8,297,017,935,299.52
  5. Step 5: Solve for x
    x = 8,297,017,935,299.52/2,986,103.20
  6. Step 6: Final answer
    x = 2,778,543.60

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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.