Home / 1,781,600.16-2,458,030.20-1,007,156.13

Finding the Fourth Proportional to 1,781,600.16, 2,458,030.20 and 1,007,156.13

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Solution

The fourth proportional to 1,781,600.16, 2,458,030.20 and 1,007,156.13 is: 1,389,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,600.16 : 2,458,030.20 = 1,007,156.13 : x
  2. Step 2: Convert to fraction form
    1,781,600.16/2,458,030.20 = 1,007,156.13/x
  3. Step 3: Cross multiply
    1,781,600.16x = 2,458,030.20 × 1,007,156.13
  4. Step 4: Simplify right side
    1,781,600.16x = 2,475,620,176,325.93
  5. Step 5: Solve for x
    x = 2,475,620,176,325.93/1,781,600.16
  6. Step 6: Final answer
    x = 1,389,548.69

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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.