Home / 3,185,847.80-4,778,017.14-911,302.20

Finding the Fourth Proportional to 3,185,847.80, 4,778,017.14 and 911,302.20

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Solution

The fourth proportional to 3,185,847.80, 4,778,017.14 and 911,302.20 is: 1,366,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,847.80 : 4,778,017.14 = 911,302.20 : x
  2. Step 2: Convert to fraction form
    3,185,847.80/4,778,017.14 = 911,302.20/x
  3. Step 3: Cross multiply
    3,185,847.80x = 4,778,017.14 × 911,302.20
  4. Step 4: Simplify right side
    3,185,847.80x = 4,354,217,531,319.71
  5. Step 5: Solve for x
    x = 4,354,217,531,319.71/3,185,847.80
  6. Step 6: Final answer
    x = 1,366,737.46

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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.