Home / 4,317,482.80-6,480,371.40-2,189,969.20

Finding the Fourth Proportional to 4,317,482.80, 6,480,371.40 and 2,189,969.20

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Solution

The fourth proportional to 4,317,482.80, 6,480,371.40 and 2,189,969.20 is: 3,287,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317,482.80 : 6,480,371.40 = 2,189,969.20 : x
  2. Step 2: Convert to fraction form
    4,317,482.80/6,480,371.40 = 2,189,969.20/x
  3. Step 3: Cross multiply
    4,317,482.80x = 6,480,371.40 × 2,189,969.20
  4. Step 4: Simplify right side
    4,317,482.80x = 14,191,813,770,560.88
  5. Step 5: Solve for x
    x = 14,191,813,770,560.88/4,317,482.80
  6. Step 6: Final answer
    x = 3,287,057.40

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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.