Home / 1,995,900.57-2,754,343.80-1,078,129.67

Finding the Fourth Proportional to 1,995,900.57, 2,754,343.80 and 1,078,129.67

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Solution

The fourth proportional to 1,995,900.57, 2,754,343.80 and 1,078,129.67 is: 1,487,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,900.57 : 2,754,343.80 = 1,078,129.67 : x
  2. Step 2: Convert to fraction form
    1,995,900.57/2,754,343.80 = 1,078,129.67/x
  3. Step 3: Cross multiply
    1,995,900.57x = 2,754,343.80 × 1,078,129.67
  4. Step 4: Simplify right side
    1,995,900.57x = 2,969,539,758,388.83
  5. Step 5: Solve for x
    x = 2,969,539,758,388.83/1,995,900.57
  6. Step 6: Final answer
    x = 1,487,819.49

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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.