Home / 1,871,859.43-2,583,166.26-1,012,419.68

Finding the Fourth Proportional to 1,871,859.43, 2,583,166.26 and 1,012,419.68

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Solution

The fourth proportional to 1,871,859.43, 2,583,166.26 and 1,012,419.68 is: 1,397,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,859.43 : 2,583,166.26 = 1,012,419.68 : x
  2. Step 2: Convert to fraction form
    1,871,859.43/2,583,166.26 = 1,012,419.68/x
  3. Step 3: Cross multiply
    1,871,859.43x = 2,583,166.26 × 1,012,419.68
  4. Step 4: Simplify right side
    1,871,859.43x = 2,615,248,358,336.00
  5. Step 5: Solve for x
    x = 2,615,248,358,336.00/1,871,859.43
  6. Step 6: Final answer
    x = 1,397,139.29

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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.