Home / 1,516,637.47-2,092,973.96-863,231.58

Finding the Fourth Proportional to 1,516,637.47, 2,092,973.96 and 863,231.58

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Solution

The fourth proportional to 1,516,637.47, 2,092,973.96 and 863,231.58 is: 1,191,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,637.47 : 2,092,973.96 = 863,231.58 : x
  2. Step 2: Convert to fraction form
    1,516,637.47/2,092,973.96 = 863,231.58/x
  3. Step 3: Cross multiply
    1,516,637.47x = 2,092,973.96 × 863,231.58
  4. Step 4: Simplify right side
    1,516,637.47x = 1,806,721,218,119.98
  5. Step 5: Solve for x
    x = 1,806,721,218,119.98/1,516,637.47
  6. Step 6: Final answer
    x = 1,191,267.69

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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.