Home / 4,220,154.40-5,818,028.88-2,670,645.28

Finding the Fourth Proportional to 4,220,154.40, 5,818,028.88 and 2,670,645.28

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Solution

The fourth proportional to 4,220,154.40, 5,818,028.88 and 2,670,645.28 is: 3,681,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,154.40 : 5,818,028.88 = 2,670,645.28 : x
  2. Step 2: Convert to fraction form
    4,220,154.40/5,818,028.88 = 2,670,645.28/x
  3. Step 3: Cross multiply
    4,220,154.40x = 5,818,028.88 × 2,670,645.28
  4. Step 4: Simplify right side
    4,220,154.40x = 15,537,891,367,275.69
  5. Step 5: Solve for x
    x = 15,537,891,367,275.69/4,220,154.40
  6. Step 6: Final answer
    x = 3,681,830.07

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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.