Home / 2,583,431.60-3,873,397.80-1,320,220.40

Finding the Fourth Proportional to 2,583,431.60, 3,873,397.80 and 1,320,220.40

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Solution

The fourth proportional to 2,583,431.60, 3,873,397.80 and 1,320,220.40 is: 1,979,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583,431.60 : 3,873,397.80 = 1,320,220.40 : x
  2. Step 2: Convert to fraction form
    2,583,431.60/3,873,397.80 = 1,320,220.40/x
  3. Step 3: Cross multiply
    2,583,431.60x = 3,873,397.80 × 1,320,220.40
  4. Step 4: Simplify right side
    2,583,431.60x = 5,113,738,792,875.12
  5. Step 5: Solve for x
    x = 5,113,738,792,875.12/2,583,431.60
  6. Step 6: Final answer
    x = 1,979,436.50

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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.