Home / 2,898,386.40-4,352,245.20-2,189,215.20

Finding the Fourth Proportional to 2,898,386.40, 4,352,245.20 and 2,189,215.20

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Solution

The fourth proportional to 2,898,386.40, 4,352,245.20 and 2,189,215.20 is: 3,287,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,386.40 : 4,352,245.20 = 2,189,215.20 : x
  2. Step 2: Convert to fraction form
    2,898,386.40/4,352,245.20 = 2,189,215.20/x
  3. Step 3: Cross multiply
    2,898,386.40x = 4,352,245.20 × 2,189,215.20
  4. Step 4: Simplify right side
    2,898,386.40x = 9,528,001,345,967.04
  5. Step 5: Solve for x
    x = 9,528,001,345,967.04/2,898,386.40
  6. Step 6: Final answer
    x = 3,287,346.83

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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.