Home / 4,674,139.40-7,011,209.10-2,154,715.40

Finding the Fourth Proportional to 4,674,139.40, 7,011,209.10 and 2,154,715.40

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Solution

The fourth proportional to 4,674,139.40, 7,011,209.10 and 2,154,715.40 is: 3,232,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674,139.40 : 7,011,209.10 = 2,154,715.40 : x
  2. Step 2: Convert to fraction form
    4,674,139.40/7,011,209.10 = 2,154,715.40/x
  3. Step 3: Cross multiply
    4,674,139.40x = 7,011,209.10 × 2,154,715.40
  4. Step 4: Simplify right side
    4,674,139.40x = 15,107,160,220,390.14
  5. Step 5: Solve for x
    x = 15,107,160,220,390.14/4,674,139.40
  6. Step 6: Final answer
    x = 3,232,073.10

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Similar ratio
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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.