Home / 3,280,465.80-4,920,698.70-1,149,781.05

Finding the Fourth Proportional to 3,280,465.80, 4,920,698.70 and 1,149,781.05

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Solution

The fourth proportional to 3,280,465.80, 4,920,698.70 and 1,149,781.05 is: 1,724,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,465.80 : 4,920,698.70 = 1,149,781.05 : x
  2. Step 2: Convert to fraction form
    3,280,465.80/4,920,698.70 = 1,149,781.05/x
  3. Step 3: Cross multiply
    3,280,465.80x = 4,920,698.70 × 1,149,781.05
  4. Step 4: Simplify right side
    3,280,465.80x = 5,657,726,118,019.64
  5. Step 5: Solve for x
    x = 5,657,726,118,019.64/3,280,465.80
  6. Step 6: Final answer
    x = 1,724,671.58

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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.