Home / 1,929,517.80-2,662,560.08-1,070,075.40

Finding the Fourth Proportional to 1,929,517.80, 2,662,560.08 and 1,070,075.40

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Solution

The fourth proportional to 1,929,517.80, 2,662,560.08 and 1,070,075.40 is: 1,476,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,517.80 : 2,662,560.08 = 1,070,075.40 : x
  2. Step 2: Convert to fraction form
    1,929,517.80/2,662,560.08 = 1,070,075.40/x
  3. Step 3: Cross multiply
    1,929,517.80x = 2,662,560.08 × 1,070,075.40
  4. Step 4: Simplify right side
    1,929,517.80x = 2,849,140,042,630.03
  5. Step 5: Solve for x
    x = 2,849,140,042,630.03/1,929,517.80
  6. Step 6: Final answer
    x = 1,476,607.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.