Home / 2,768,882.40-4,152,934.80-875,815.20

Finding the Fourth Proportional to 2,768,882.40, 4,152,934.80 and 875,815.20

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Solution

The fourth proportional to 2,768,882.40, 4,152,934.80 and 875,815.20 is: 1,313,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,882.40 : 4,152,934.80 = 875,815.20 : x
  2. Step 2: Convert to fraction form
    2,768,882.40/4,152,934.80 = 875,815.20/x
  3. Step 3: Cross multiply
    2,768,882.40x = 4,152,934.80 × 875,815.20
  4. Step 4: Simplify right side
    2,768,882.40x = 3,637,203,422,448.96
  5. Step 5: Solve for x
    x = 3,637,203,422,448.96/2,768,882.40
  6. Step 6: Final answer
    x = 1,313,599.82

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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.