Home / 2,988,034.20-4,484,384.10-1,390,795.20

Finding the Fourth Proportional to 2,988,034.20, 4,484,384.10 and 1,390,795.20

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Solution

The fourth proportional to 2,988,034.20, 4,484,384.10 and 1,390,795.20 is: 2,087,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,034.20 : 4,484,384.10 = 1,390,795.20 : x
  2. Step 2: Convert to fraction form
    2,988,034.20/4,484,384.10 = 1,390,795.20/x
  3. Step 3: Cross multiply
    2,988,034.20x = 4,484,384.10 × 1,390,795.20
  4. Step 4: Simplify right side
    2,988,034.20x = 6,236,859,881,236.32
  5. Step 5: Solve for x
    x = 6,236,859,881,236.32/2,988,034.20
  6. Step 6: Final answer
    x = 2,087,278.61

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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.