Home / 1,943,917.16-2,681,156.90-1,427,508.20

Finding the Fourth Proportional to 1,943,917.16, 2,681,156.90 and 1,427,508.20

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Solution

The fourth proportional to 1,943,917.16, 2,681,156.90 and 1,427,508.20 is: 1,968,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,917.16 : 2,681,156.90 = 1,427,508.20 : x
  2. Step 2: Convert to fraction form
    1,943,917.16/2,681,156.90 = 1,427,508.20/x
  3. Step 3: Cross multiply
    1,943,917.16x = 2,681,156.90 × 1,427,508.20
  4. Step 4: Simplify right side
    1,943,917.16x = 3,827,373,460,236.58
  5. Step 5: Solve for x
    x = 3,827,373,460,236.58/1,943,917.16
  6. Step 6: Final answer
    x = 1,968,897.41

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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.