Home / 1,555,712.70-2,333,569.05-1,467,139.20

Finding the Fourth Proportional to 1,555,712.70, 2,333,569.05 and 1,467,139.20

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Solution

The fourth proportional to 1,555,712.70, 2,333,569.05 and 1,467,139.20 is: 2,200,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,712.70 : 2,333,569.05 = 1,467,139.20 : x
  2. Step 2: Convert to fraction form
    1,555,712.70/2,333,569.05 = 1,467,139.20/x
  3. Step 3: Cross multiply
    1,555,712.70x = 2,333,569.05 × 1,467,139.20
  4. Step 4: Simplify right side
    1,555,712.70x = 3,423,670,629,161.76
  5. Step 5: Solve for x
    x = 3,423,670,629,161.76/1,555,712.70
  6. Step 6: Final answer
    x = 2,200,708.80

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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.