Home / 3,111,205.20-4,295,444.76-2,539,604.40

Finding the Fourth Proportional to 3,111,205.20, 4,295,444.76 and 2,539,604.40

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Solution

The fourth proportional to 3,111,205.20, 4,295,444.76 and 2,539,604.40 is: 3,506,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,205.20 : 4,295,444.76 = 2,539,604.40 : x
  2. Step 2: Convert to fraction form
    3,111,205.20/4,295,444.76 = 2,539,604.40/x
  3. Step 3: Cross multiply
    3,111,205.20x = 4,295,444.76 × 2,539,604.40
  4. Step 4: Simplify right side
    3,111,205.20x = 10,908,730,412,452.94
  5. Step 5: Solve for x
    x = 10,908,730,412,452.94/3,111,205.20
  6. Step 6: Final answer
    x = 3,506,271.59

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.