Home / 1,899,402.74-2,621,425.90-1,083,419.36

Finding the Fourth Proportional to 1,899,402.74, 2,621,425.90 and 1,083,419.36

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Solution

The fourth proportional to 1,899,402.74, 2,621,425.90 and 1,083,419.36 is: 1,495,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,402.74 : 2,621,425.90 = 1,083,419.36 : x
  2. Step 2: Convert to fraction form
    1,899,402.74/2,621,425.90 = 1,083,419.36/x
  3. Step 3: Cross multiply
    1,899,402.74x = 2,621,425.90 × 1,083,419.36
  4. Step 4: Simplify right side
    1,899,402.74x = 2,840,103,570,865.42
  5. Step 5: Solve for x
    x = 2,840,103,570,865.42/1,899,402.74
  6. Step 6: Final answer
    x = 1,495,261.38

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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.