Home / 1,971,528.90-2,957,293.35-1,118,270.85

Finding the Fourth Proportional to 1,971,528.90, 2,957,293.35 and 1,118,270.85

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Solution

The fourth proportional to 1,971,528.90, 2,957,293.35 and 1,118,270.85 is: 1,677,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,528.90 : 2,957,293.35 = 1,118,270.85 : x
  2. Step 2: Convert to fraction form
    1,971,528.90/2,957,293.35 = 1,118,270.85/x
  3. Step 3: Cross multiply
    1,971,528.90x = 2,957,293.35 × 1,118,270.85
  4. Step 4: Simplify right side
    1,971,528.90x = 3,307,054,948,203.85
  5. Step 5: Solve for x
    x = 3,307,054,948,203.85/1,971,528.90
  6. Step 6: Final answer
    x = 1,677,406.28

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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.