Home / 3,938,184-5,434,698.78-2,127,348

Finding the Fourth Proportional to 3,938,184, 5,434,698.78 and 2,127,348

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Solution

The fourth proportional to 3,938,184, 5,434,698.78 and 2,127,348 is: 2,935,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,184 : 5,434,698.78 = 2,127,348 : x
  2. Step 2: Convert to fraction form
    3,938,184/5,434,698.78 = 2,127,348/x
  3. Step 3: Cross multiply
    3,938,184x = 5,434,698.78 × 2,127,348
  4. Step 4: Simplify right side
    3,938,184x = 11,561,495,580,235.44
  5. Step 5: Solve for x
    x = 11,561,495,580,235.44/3,938,184
  6. Step 6: Final answer
    x = 2,935,742.87

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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.