Home / 2,107,462.40-2,908,114.08-1,247,868.80

Finding the Fourth Proportional to 2,107,462.40, 2,908,114.08 and 1,247,868.80

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Solution

The fourth proportional to 2,107,462.40, 2,908,114.08 and 1,247,868.80 is: 1,721,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,462.40 : 2,908,114.08 = 1,247,868.80 : x
  2. Step 2: Convert to fraction form
    2,107,462.40/2,908,114.08 = 1,247,868.80/x
  3. Step 3: Cross multiply
    2,107,462.40x = 2,908,114.08 × 1,247,868.80
  4. Step 4: Simplify right side
    2,107,462.40x = 3,628,944,827,272.70
  5. Step 5: Solve for x
    x = 3,628,944,827,272.70/2,107,462.40
  6. Step 6: Final answer
    x = 1,721,949.98

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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.