Home / 1,871,273.21-2,581,722.72-1,526,513.15

Finding the Fourth Proportional to 1,871,273.21, 2,581,722.72 and 1,526,513.15

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Solution

The fourth proportional to 1,871,273.21, 2,581,722.72 and 1,526,513.15 is: 2,106,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,273.21 : 2,581,722.72 = 1,526,513.15 : x
  2. Step 2: Convert to fraction form
    1,871,273.21/2,581,722.72 = 1,526,513.15/x
  3. Step 3: Cross multiply
    1,871,273.21x = 2,581,722.72 × 1,526,513.15
  4. Step 4: Simplify right side
    1,871,273.21x = 3,941,033,688,188.08
  5. Step 5: Solve for x
    x = 3,941,033,688,188.08/1,871,273.21
  6. Step 6: Final answer
    x = 2,106,070.71

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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.