Home / 2,878,201.68-4,312,578.60-983,909.76

Finding the Fourth Proportional to 2,878,201.68, 4,312,578.60 and 983,909.76

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Solution

The fourth proportional to 2,878,201.68, 4,312,578.60 and 983,909.76 is: 1,474,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,201.68 : 4,312,578.60 = 983,909.76 : x
  2. Step 2: Convert to fraction form
    2,878,201.68/4,312,578.60 = 983,909.76/x
  3. Step 3: Cross multiply
    2,878,201.68x = 4,312,578.60 × 983,909.76
  4. Step 4: Simplify right side
    2,878,201.68x = 4,243,188,175,307.14
  5. Step 5: Solve for x
    x = 4,243,188,175,307.14/2,878,201.68
  6. Step 6: Final answer
    x = 1,474,249.77

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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.