Home / 2,813,590.40-4,212,436.80-2,189,782.40

Finding the Fourth Proportional to 2,813,590.40, 4,212,436.80 and 2,189,782.40

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Solution

The fourth proportional to 2,813,590.40, 4,212,436.80 and 2,189,782.40 is: 3,278,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,590.40 : 4,212,436.80 = 2,189,782.40 : x
  2. Step 2: Convert to fraction form
    2,813,590.40/4,212,436.80 = 2,189,782.40/x
  3. Step 3: Cross multiply
    2,813,590.40x = 4,212,436.80 × 2,189,782.40
  4. Step 4: Simplify right side
    2,813,590.40x = 9,224,319,965,752.32
  5. Step 5: Solve for x
    x = 9,224,319,965,752.32/2,813,590.40
  6. Step 6: Final answer
    x = 3,278,487.15

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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.