Home / 5,280,333.74-7,285,611.63-2,988,494.43

Finding the Fourth Proportional to 5,280,333.74, 7,285,611.63 and 2,988,494.43

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Solution

The fourth proportional to 5,280,333.74, 7,285,611.63 and 2,988,494.43 is: 4,123,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,333.74 : 7,285,611.63 = 2,988,494.43 : x
  2. Step 2: Convert to fraction form
    5,280,333.74/7,285,611.63 = 2,988,494.43/x
  3. Step 3: Cross multiply
    5,280,333.74x = 7,285,611.63 × 2,988,494.43
  4. Step 4: Simplify right side
    5,280,333.74x = 21,773,009,786,605.08
  5. Step 5: Solve for x
    x = 21,773,009,786,605.08/5,280,333.74
  6. Step 6: Final answer
    x = 4,123,415.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.