Home / 2,428,000.60-3,642,000.90-830,421.40

Finding the Fourth Proportional to 2,428,000.60, 3,642,000.90 and 830,421.40

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Solution

The fourth proportional to 2,428,000.60, 3,642,000.90 and 830,421.40 is: 1,245,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,000.60 : 3,642,000.90 = 830,421.40 : x
  2. Step 2: Convert to fraction form
    2,428,000.60/3,642,000.90 = 830,421.40/x
  3. Step 3: Cross multiply
    2,428,000.60x = 3,642,000.90 × 830,421.40
  4. Step 4: Simplify right side
    2,428,000.60x = 3,024,395,486,179.26
  5. Step 5: Solve for x
    x = 3,024,395,486,179.26/2,428,000.60
  6. Step 6: Final answer
    x = 1,245,632.10

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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.