Home / 2,911,421.80-4,367,132.70-1,017,965.80

Finding the Fourth Proportional to 2,911,421.80, 4,367,132.70 and 1,017,965.80

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Solution

The fourth proportional to 2,911,421.80, 4,367,132.70 and 1,017,965.80 is: 1,526,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,421.80 : 4,367,132.70 = 1,017,965.80 : x
  2. Step 2: Convert to fraction form
    2,911,421.80/4,367,132.70 = 1,017,965.80/x
  3. Step 3: Cross multiply
    2,911,421.80x = 4,367,132.70 × 1,017,965.80
  4. Step 4: Simplify right side
    2,911,421.80x = 4,445,591,732,661.66
  5. Step 5: Solve for x
    x = 4,445,591,732,661.66/2,911,421.80
  6. Step 6: Final answer
    x = 1,526,948.70

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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.