Home / 1,516,100.40-2,092,402.02-862,885.25

Finding the Fourth Proportional to 1,516,100.40, 2,092,402.02 and 862,885.25

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Solution

The fourth proportional to 1,516,100.40, 2,092,402.02 and 862,885.25 is: 1,190,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,100.40 : 2,092,402.02 = 862,885.25 : x
  2. Step 2: Convert to fraction form
    1,516,100.40/2,092,402.02 = 862,885.25/x
  3. Step 3: Cross multiply
    1,516,100.40x = 2,092,402.02 × 862,885.25
  4. Step 4: Simplify right side
    1,516,100.40x = 1,805,502,840,128.21
  5. Step 5: Solve for x
    x = 1,805,502,840,128.21/1,516,100.40
  6. Step 6: Final answer
    x = 1,190,886.07

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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.