Home / 1,611,713.90-2,415,135.06-1,078,280.02

Finding the Fourth Proportional to 1,611,713.90, 2,415,135.06 and 1,078,280.02

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Solution

The fourth proportional to 1,611,713.90, 2,415,135.06 and 1,078,280.02 is: 1,615,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,713.90 : 2,415,135.06 = 1,078,280.02 : x
  2. Step 2: Convert to fraction form
    1,611,713.90/2,415,135.06 = 1,078,280.02/x
  3. Step 3: Cross multiply
    1,611,713.90x = 2,415,135.06 × 1,078,280.02
  4. Step 4: Simplify right side
    1,611,713.90x = 2,604,191,868,723.83
  5. Step 5: Solve for x
    x = 2,604,191,868,723.83/1,611,713.90
  6. Step 6: Final answer
    x = 1,615,790.41

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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.