Home / 1,672,421.70-2,508,632.55-1,377,176.70

Finding the Fourth Proportional to 1,672,421.70, 2,508,632.55 and 1,377,176.70

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Solution

The fourth proportional to 1,672,421.70, 2,508,632.55 and 1,377,176.70 is: 2,065,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,421.70 : 2,508,632.55 = 1,377,176.70 : x
  2. Step 2: Convert to fraction form
    1,672,421.70/2,508,632.55 = 1,377,176.70/x
  3. Step 3: Cross multiply
    1,672,421.70x = 2,508,632.55 × 1,377,176.70
  4. Step 4: Simplify right side
    1,672,421.70x = 3,454,830,296,721.58
  5. Step 5: Solve for x
    x = 3,454,830,296,721.58/1,672,421.70
  6. Step 6: Final answer
    x = 2,065,765.05

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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.