Home / 1,871,408.70-2,808,085.05-874,136.70

Finding the Fourth Proportional to 1,871,408.70, 2,808,085.05 and 874,136.70

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Solution

The fourth proportional to 1,871,408.70, 2,808,085.05 and 874,136.70 is: 1,311,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,408.70 : 2,808,085.05 = 874,136.70 : x
  2. Step 2: Convert to fraction form
    1,871,408.70/2,808,085.05 = 874,136.70/x
  3. Step 3: Cross multiply
    1,871,408.70x = 2,808,085.05 × 874,136.70
  4. Step 4: Simplify right side
    1,871,408.70x = 2,454,650,198,926.33
  5. Step 5: Solve for x
    x = 2,454,650,198,926.33/1,871,408.70
  6. Step 6: Final answer
    x = 1,311,659.07

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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.