Home / 2,761,411.80-4,142,117.70-2,556,125.40

Finding the Fourth Proportional to 2,761,411.80, 4,142,117.70 and 2,556,125.40

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Solution

The fourth proportional to 2,761,411.80, 4,142,117.70 and 2,556,125.40 is: 3,834,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,411.80 : 4,142,117.70 = 2,556,125.40 : x
  2. Step 2: Convert to fraction form
    2,761,411.80/4,142,117.70 = 2,556,125.40/x
  3. Step 3: Cross multiply
    2,761,411.80x = 4,142,117.70 × 2,556,125.40
  4. Step 4: Simplify right side
    2,761,411.80x = 10,587,772,262,759.58
  5. Step 5: Solve for x
    x = 10,587,772,262,759.58/2,761,411.80
  6. Step 6: Final answer
    x = 3,834,188.10

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1.5x scale

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.