Home / 1,600,916.39-2,209,258.01-865,871.48

Finding the Fourth Proportional to 1,600,916.39, 2,209,258.01 and 865,871.48

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Solution

The fourth proportional to 1,600,916.39, 2,209,258.01 and 865,871.48 is: 1,194,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,916.39 : 2,209,258.01 = 865,871.48 : x
  2. Step 2: Convert to fraction form
    1,600,916.39/2,209,258.01 = 865,871.48/x
  3. Step 3: Cross multiply
    1,600,916.39x = 2,209,258.01 × 865,871.48
  4. Step 4: Simplify right side
    1,600,916.39x = 1,912,933,487,444.91
  5. Step 5: Solve for x
    x = 1,912,933,487,444.91/1,600,916.39
  6. Step 6: Final answer
    x = 1,194,899.06

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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.