Home / 1,871,862.16-2,808,087.02-807,206.80

Finding the Fourth Proportional to 1,871,862.16, 2,808,087.02 and 807,206.80

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Solution

The fourth proportional to 1,871,862.16, 2,808,087.02 and 807,206.80 is: 1,210,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,862.16 : 2,808,087.02 = 807,206.80 : x
  2. Step 2: Convert to fraction form
    1,871,862.16/2,808,087.02 = 807,206.80/x
  3. Step 3: Cross multiply
    1,871,862.16x = 2,808,087.02 × 807,206.80
  4. Step 4: Simplify right side
    1,871,862.16x = 2,266,706,937,535.74
  5. Step 5: Solve for x
    x = 2,266,706,937,535.74/1,871,862.16
  6. Step 6: Final answer
    x = 1,210,936.89

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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.