Home / 2,137,799.06-2,949,341.90-1,220,079.18

Finding the Fourth Proportional to 2,137,799.06, 2,949,341.90 and 1,220,079.18

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Solution

The fourth proportional to 2,137,799.06, 2,949,341.90 and 1,220,079.18 is: 1,683,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,799.06 : 2,949,341.90 = 1,220,079.18 : x
  2. Step 2: Convert to fraction form
    2,137,799.06/2,949,341.90 = 1,220,079.18/x
  3. Step 3: Cross multiply
    2,137,799.06x = 2,949,341.90 × 1,220,079.18
  4. Step 4: Simplify right side
    2,137,799.06x = 3,598,430,646,891.64
  5. Step 5: Solve for x
    x = 3,598,430,646,891.64/2,137,799.06
  6. Step 6: Final answer
    x = 1,683,240.82

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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.