Home / 2,768,473.89-4,152,685.59-875,215.80

Finding the Fourth Proportional to 2,768,473.89, 4,152,685.59 and 875,215.80

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Solution

The fourth proportional to 2,768,473.89, 4,152,685.59 and 875,215.80 is: 1,312,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,473.89 : 4,152,685.59 = 875,215.80 : x
  2. Step 2: Convert to fraction form
    2,768,473.89/4,152,685.59 = 875,215.80/x
  3. Step 3: Cross multiply
    2,768,473.89x = 4,152,685.59 × 875,215.80
  4. Step 4: Simplify right side
    2,768,473.89x = 3,634,496,040,800.32
  5. Step 5: Solve for x
    x = 3,634,496,040,800.32/2,768,473.89
  6. Step 6: Final answer
    x = 1,312,815.72

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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.