Home / 2,017,385.70-3,021,931.35-1,387,011.30

Finding the Fourth Proportional to 2,017,385.70, 3,021,931.35 and 1,387,011.30

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Solution

The fourth proportional to 2,017,385.70, 3,021,931.35 and 1,387,011.30 is: 2,077,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,385.70 : 3,021,931.35 = 1,387,011.30 : x
  2. Step 2: Convert to fraction form
    2,017,385.70/3,021,931.35 = 1,387,011.30/x
  3. Step 3: Cross multiply
    2,017,385.70x = 3,021,931.35 × 1,387,011.30
  4. Step 4: Simplify right side
    2,017,385.70x = 4,191,452,930,274.26
  5. Step 5: Solve for x
    x = 4,191,452,930,274.26/2,017,385.70
  6. Step 6: Final answer
    x = 2,077,665.63

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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.