Home / 3,015,313.70-4,522,970.55-993,869.60

Finding the Fourth Proportional to 3,015,313.70, 4,522,970.55 and 993,869.60

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Solution

The fourth proportional to 3,015,313.70, 4,522,970.55 and 993,869.60 is: 1,490,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,313.70 : 4,522,970.55 = 993,869.60 : x
  2. Step 2: Convert to fraction form
    3,015,313.70/4,522,970.55 = 993,869.60/x
  3. Step 3: Cross multiply
    3,015,313.70x = 4,522,970.55 × 993,869.60
  4. Step 4: Simplify right side
    3,015,313.70x = 4,495,242,931,340.28
  5. Step 5: Solve for x
    x = 4,495,242,931,340.28/3,015,313.70
  6. Step 6: Final answer
    x = 1,490,804.40

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Similar ratio
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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.