Home / 2,161,348.64-2,983,031.52-1,256,455.52

Finding the Fourth Proportional to 2,161,348.64, 2,983,031.52 and 1,256,455.52

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Solution

The fourth proportional to 2,161,348.64, 2,983,031.52 and 1,256,455.52 is: 1,734,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,348.64 : 2,983,031.52 = 1,256,455.52 : x
  2. Step 2: Convert to fraction form
    2,161,348.64/2,983,031.52 = 1,256,455.52/x
  3. Step 3: Cross multiply
    2,161,348.64x = 2,983,031.52 × 1,256,455.52
  4. Step 4: Simplify right side
    2,161,348.64x = 3,748,046,419,637.99
  5. Step 5: Solve for x
    x = 3,748,046,419,637.99/2,161,348.64
  6. Step 6: Final answer
    x = 1,734,123.94

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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.