Home / 1,871,857.47-2,800,398.53-1,417,756.82

Finding the Fourth Proportional to 1,871,857.47, 2,800,398.53 and 1,417,756.82

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Solution

The fourth proportional to 1,871,857.47, 2,800,398.53 and 1,417,756.82 is: 2,121,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,857.47 : 2,800,398.53 = 1,417,756.82 : x
  2. Step 2: Convert to fraction form
    1,871,857.47/2,800,398.53 = 1,417,756.82/x
  3. Step 3: Cross multiply
    1,871,857.47x = 2,800,398.53 × 1,417,756.82
  4. Step 4: Simplify right side
    1,871,857.47x = 3,970,284,093,534.70
  5. Step 5: Solve for x
    x = 3,970,284,093,534.70/1,871,857.47
  6. Step 6: Final answer
    x = 2,121,039.75

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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.