Home / 2,217,663.47-3,060,357.75-1,287,457.53

Finding the Fourth Proportional to 2,217,663.47, 3,060,357.75 and 1,287,457.53

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Solution

The fourth proportional to 2,217,663.47, 3,060,357.75 and 1,287,457.53 is: 1,776,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,663.47 : 3,060,357.75 = 1,287,457.53 : x
  2. Step 2: Convert to fraction form
    2,217,663.47/3,060,357.75 = 1,287,457.53/x
  3. Step 3: Cross multiply
    2,217,663.47x = 3,060,357.75 × 1,287,457.53
  4. Step 4: Simplify right side
    2,217,663.47x = 3,940,080,629,731.36
  5. Step 5: Solve for x
    x = 3,940,080,629,731.36/2,217,663.47
  6. Step 6: Final answer
    x = 1,776,681.04

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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.