Home / 5,448,461.80-8,172,692.70-1,661,938.60

Finding the Fourth Proportional to 5,448,461.80, 8,172,692.70 and 1,661,938.60

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Solution

The fourth proportional to 5,448,461.80, 8,172,692.70 and 1,661,938.60 is: 2,492,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,461.80 : 8,172,692.70 = 1,661,938.60 : x
  2. Step 2: Convert to fraction form
    5,448,461.80/8,172,692.70 = 1,661,938.60/x
  3. Step 3: Cross multiply
    5,448,461.80x = 8,172,692.70 × 1,661,938.60
  4. Step 4: Simplify right side
    5,448,461.80x = 13,582,513,464,068.22
  5. Step 5: Solve for x
    x = 13,582,513,464,068.22/5,448,461.80
  6. Step 6: Final answer
    x = 2,492,907.90

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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.