Home / 2,778,698.97-4,167,465.25-783,688.41

Finding the Fourth Proportional to 2,778,698.97, 4,167,465.25 and 783,688.41

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Solution

The fourth proportional to 2,778,698.97, 4,167,465.25 and 783,688.41 is: 1,175,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,698.97 : 4,167,465.25 = 783,688.41 : x
  2. Step 2: Convert to fraction form
    2,778,698.97/4,167,465.25 = 783,688.41/x
  3. Step 3: Cross multiply
    2,778,698.97x = 4,167,465.25 × 783,688.41
  4. Step 4: Simplify right side
    2,778,698.97x = 3,265,994,213,543.53
  5. Step 5: Solve for x
    x = 3,265,994,213,543.53/2,778,698.97
  6. Step 6: Final answer
    x = 1,175,368.13

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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.