Home / 5,250,658.20-7,875,987.30-1,885,205.40

Finding the Fourth Proportional to 5,250,658.20, 7,875,987.30 and 1,885,205.40

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Solution

The fourth proportional to 5,250,658.20, 7,875,987.30 and 1,885,205.40 is: 2,827,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,658.20 : 7,875,987.30 = 1,885,205.40 : x
  2. Step 2: Convert to fraction form
    5,250,658.20/7,875,987.30 = 1,885,205.40/x
  3. Step 3: Cross multiply
    5,250,658.20x = 7,875,987.30 × 1,885,205.40
  4. Step 4: Simplify right side
    5,250,658.20x = 14,847,853,788,291.42
  5. Step 5: Solve for x
    x = 14,847,853,788,291.42/5,250,658.20
  6. Step 6: Final answer
    x = 2,827,808.10

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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.