Home / 1,611,711.90-2,415,132.07-1,078,278.01

Finding the Fourth Proportional to 1,611,711.90, 2,415,132.07 and 1,078,278.01

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Solution

The fourth proportional to 1,611,711.90, 2,415,132.07 and 1,078,278.01 is: 1,615,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,711.90 : 2,415,132.07 = 1,078,278.01 : x
  2. Step 2: Convert to fraction form
    1,611,711.90/2,415,132.07 = 1,078,278.01/x
  3. Step 3: Cross multiply
    1,611,711.90x = 2,415,132.07 × 1,078,278.01
  4. Step 4: Simplify right side
    1,611,711.90x = 2,604,183,793,593.26
  5. Step 5: Solve for x
    x = 2,604,183,793,593.26/1,611,711.90
  6. Step 6: Final answer
    x = 1,615,787.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.