Home / 2,164,397.52-2,986,956.64-1,197,512.12

Finding the Fourth Proportional to 2,164,397.52, 2,986,956.64 and 1,197,512.12

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Solution

The fourth proportional to 2,164,397.52, 2,986,956.64 and 1,197,512.12 is: 1,652,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,397.52 : 2,986,956.64 = 1,197,512.12 : x
  2. Step 2: Convert to fraction form
    2,164,397.52/2,986,956.64 = 1,197,512.12/x
  3. Step 3: Cross multiply
    2,164,397.52x = 2,986,956.64 × 1,197,512.12
  4. Step 4: Simplify right side
    2,164,397.52x = 3,576,916,778,314.48
  5. Step 5: Solve for x
    x = 3,576,916,778,314.48/2,164,397.52
  6. Step 6: Final answer
    x = 1,652,615.45

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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.