Home / 5,140,947.07-7,094,506.95-2,849,255.38

Finding the Fourth Proportional to 5,140,947.07, 7,094,506.95 and 2,849,255.38

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Solution

The fourth proportional to 5,140,947.07, 7,094,506.95 and 2,849,255.38 is: 3,931,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,947.07 : 7,094,506.95 = 2,849,255.38 : x
  2. Step 2: Convert to fraction form
    5,140,947.07/7,094,506.95 = 2,849,255.38/x
  3. Step 3: Cross multiply
    5,140,947.07x = 7,094,506.95 × 2,849,255.38
  4. Step 4: Simplify right side
    5,140,947.07x = 20,214,062,077,998.62
  5. Step 5: Solve for x
    x = 20,214,062,077,998.62/5,140,947.07
  6. Step 6: Final answer
    x = 3,931,972.42

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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.