Home / 4,990,658.20-7,485,987.30-1,625,205.40

Finding the Fourth Proportional to 4,990,658.20, 7,485,987.30 and 1,625,205.40

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Solution

The fourth proportional to 4,990,658.20, 7,485,987.30 and 1,625,205.40 is: 2,437,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,658.20 : 7,485,987.30 = 1,625,205.40 : x
  2. Step 2: Convert to fraction form
    4,990,658.20/7,485,987.30 = 1,625,205.40/x
  3. Step 3: Cross multiply
    4,990,658.20x = 7,485,987.30 × 1,625,205.40
  4. Step 4: Simplify right side
    4,990,658.20x = 12,166,266,984,291.42
  5. Step 5: Solve for x
    x = 12,166,266,984,291.42/4,990,658.20
  6. Step 6: Final answer
    x = 2,437,808.10

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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.