Home / 2,587,985.84-3,571,372.20-1,442,041.76

Finding the Fourth Proportional to 2,587,985.84, 3,571,372.20 and 1,442,041.76

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Solution

The fourth proportional to 2,587,985.84, 3,571,372.20 and 1,442,041.76 is: 1,989,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,985.84 : 3,571,372.20 = 1,442,041.76 : x
  2. Step 2: Convert to fraction form
    2,587,985.84/3,571,372.20 = 1,442,041.76/x
  3. Step 3: Cross multiply
    2,587,985.84x = 3,571,372.20 × 1,442,041.76
  4. Step 4: Simplify right side
    2,587,985.84x = 5,150,067,852,903.07
  5. Step 5: Solve for x
    x = 5,150,067,852,903.07/2,587,985.84
  6. Step 6: Final answer
    x = 1,989,990.74

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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.