Home / 2,091,186.30-3,129,781.05-1,461,330.30

Finding the Fourth Proportional to 2,091,186.30, 3,129,781.05 and 1,461,330.30

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Solution

The fourth proportional to 2,091,186.30, 3,129,781.05 and 1,461,330.30 is: 2,187,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,186.30 : 3,129,781.05 = 1,461,330.30 : x
  2. Step 2: Convert to fraction form
    2,091,186.30/3,129,781.05 = 1,461,330.30/x
  3. Step 3: Cross multiply
    2,091,186.30x = 3,129,781.05 × 1,461,330.30
  4. Step 4: Simplify right side
    2,091,186.30x = 4,573,643,880,730.81
  5. Step 5: Solve for x
    x = 4,573,643,880,730.81/2,091,186.30
  6. Step 6: Final answer
    x = 2,187,104.94

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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.