Home / 3,130,863.12-4,318,681.44-2,070,002

Finding the Fourth Proportional to 3,130,863.12, 4,318,681.44 and 2,070,002

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Solution

The fourth proportional to 3,130,863.12, 4,318,681.44 and 2,070,002 is: 2,855,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,863.12 : 4,318,681.44 = 2,070,002 : x
  2. Step 2: Convert to fraction form
    3,130,863.12/4,318,681.44 = 2,070,002/x
  3. Step 3: Cross multiply
    3,130,863.12x = 4,318,681.44 × 2,070,002
  4. Step 4: Simplify right side
    3,130,863.12x = 8,939,679,218,162.88
  5. Step 5: Solve for x
    x = 8,939,679,218,162.88/3,130,863.12
  6. Step 6: Final answer
    x = 2,855,340.17

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Double scale
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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.