Home / 1,819,909.40-2,729,864.10-1,465,615.40

Finding the Fourth Proportional to 1,819,909.40, 2,729,864.10 and 1,465,615.40

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Solution

The fourth proportional to 1,819,909.40, 2,729,864.10 and 1,465,615.40 is: 2,198,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,909.40 : 2,729,864.10 = 1,465,615.40 : x
  2. Step 2: Convert to fraction form
    1,819,909.40/2,729,864.10 = 1,465,615.40/x
  3. Step 3: Cross multiply
    1,819,909.40x = 2,729,864.10 × 1,465,615.40
  4. Step 4: Simplify right side
    1,819,909.40x = 4,000,930,864,867.14
  5. Step 5: Solve for x
    x = 4,000,930,864,867.14/1,819,909.40
  6. Step 6: Final answer
    x = 2,198,423.10

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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.