Home / 1,988,006.40-2,744,467.20-1,346,803.20

Finding the Fourth Proportional to 1,988,006.40, 2,744,467.20 and 1,346,803.20

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Solution

The fourth proportional to 1,988,006.40, 2,744,467.20 and 1,346,803.20 is: 1,859,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,006.40 : 2,744,467.20 = 1,346,803.20 : x
  2. Step 2: Convert to fraction form
    1,988,006.40/2,744,467.20 = 1,346,803.20/x
  3. Step 3: Cross multiply
    1,988,006.40x = 2,744,467.20 × 1,346,803.20
  4. Step 4: Simplify right side
    1,988,006.40x = 3,696,257,207,255.04
  5. Step 5: Solve for x
    x = 3,696,257,207,255.04/1,988,006.40
  6. Step 6: Final answer
    x = 1,859,278.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.