Home / 2,160,035.74-2,980,818.30-1,179,962.88

Finding the Fourth Proportional to 2,160,035.74, 2,980,818.30 and 1,179,962.88

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Solution

The fourth proportional to 2,160,035.74, 2,980,818.30 and 1,179,962.88 is: 1,628,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,035.74 : 2,980,818.30 = 1,179,962.88 : x
  2. Step 2: Convert to fraction form
    2,160,035.74/2,980,818.30 = 1,179,962.88/x
  3. Step 3: Cross multiply
    2,160,035.74x = 2,980,818.30 × 1,179,962.88
  4. Step 4: Simplify right side
    2,160,035.74x = 3,517,254,946,024.70
  5. Step 5: Solve for x
    x = 3,517,254,946,024.70/2,160,035.74
  6. Step 6: Final answer
    x = 1,628,331.83

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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.