Home / 2,124,284.34-2,931,475.14-1,157,421.54

Finding the Fourth Proportional to 2,124,284.34, 2,931,475.14 and 1,157,421.54

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Solution

The fourth proportional to 2,124,284.34, 2,931,475.14 and 1,157,421.54 is: 1,597,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,284.34 : 2,931,475.14 = 1,157,421.54 : x
  2. Step 2: Convert to fraction form
    2,124,284.34/2,931,475.14 = 1,157,421.54/x
  3. Step 3: Cross multiply
    2,124,284.34x = 2,931,475.14 × 1,157,421.54
  4. Step 4: Simplify right side
    2,124,284.34x = 3,392,952,471,010.52
  5. Step 5: Solve for x
    x = 3,392,952,471,010.52/2,124,284.34
  6. Step 6: Final answer
    x = 1,597,221.43

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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.