Home / 2,686,490.40-4,034,401.20-1,426,778.40

Finding the Fourth Proportional to 2,686,490.40, 4,034,401.20 and 1,426,778.40

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Solution

The fourth proportional to 2,686,490.40, 4,034,401.20 and 1,426,778.40 is: 2,142,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,490.40 : 4,034,401.20 = 1,426,778.40 : x
  2. Step 2: Convert to fraction form
    2,686,490.40/4,034,401.20 = 1,426,778.40/x
  3. Step 3: Cross multiply
    2,686,490.40x = 4,034,401.20 × 1,426,778.40
  4. Step 4: Simplify right side
    2,686,490.40x = 5,756,196,489,094.08
  5. Step 5: Solve for x
    x = 5,756,196,489,094.08/2,686,490.40
  6. Step 6: Final answer
    x = 2,142,645.47

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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.