Home / 3,122,715.78-4,684,075.29-878,853.78

Finding the Fourth Proportional to 3,122,715.78, 4,684,075.29 and 878,853.78

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Solution

The fourth proportional to 3,122,715.78, 4,684,075.29 and 878,853.78 is: 1,318,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,715.78 : 4,684,075.29 = 878,853.78 : x
  2. Step 2: Convert to fraction form
    3,122,715.78/4,684,075.29 = 878,853.78/x
  3. Step 3: Cross multiply
    3,122,715.78x = 4,684,075.29 × 878,853.78
  4. Step 4: Simplify right side
    3,122,715.78x = 4,116,617,274,421.10
  5. Step 5: Solve for x
    x = 4,116,617,274,421.10/3,122,715.78
  6. Step 6: Final answer
    x = 1,318,281.13

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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.