Home / 2,172,160-2,997,938.28-1,205,601.44

Finding the Fourth Proportional to 2,172,160, 2,997,938.28 and 1,205,601.44

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Solution

The fourth proportional to 2,172,160, 2,997,938.28 and 1,205,601.44 is: 1,663,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,160 : 2,997,938.28 = 1,205,601.44 : x
  2. Step 2: Convert to fraction form
    2,172,160/2,997,938.28 = 1,205,601.44/x
  3. Step 3: Cross multiply
    2,172,160x = 2,997,938.28 × 1,205,601.44
  4. Step 4: Simplify right side
    2,172,160x = 3,614,318,707,399.12
  5. Step 5: Solve for x
    x = 3,614,318,707,399.12/2,172,160
  6. Step 6: Final answer
    x = 1,663,928.40

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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.