Home / 1,871,854.41-2,808,075.38-807,199.05

Finding the Fourth Proportional to 1,871,854.41, 2,808,075.38 and 807,199.05

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Solution

The fourth proportional to 1,871,854.41, 2,808,075.38 and 807,199.05 is: 1,210,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,854.41 : 2,808,075.38 = 807,199.05 : x
  2. Step 2: Convert to fraction form
    1,871,854.41/2,808,075.38 = 807,199.05/x
  3. Step 3: Cross multiply
    1,871,854.41x = 2,808,075.38 × 807,199.05
  4. Step 4: Simplify right side
    1,871,854.41x = 2,266,675,775,028.39
  5. Step 5: Solve for x
    x = 2,266,675,775,028.39/1,871,854.41
  6. Step 6: Final answer
    x = 1,210,925.25

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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.