Home / 2,680,069.80-4,020,104.70-1,618,386.60

Finding the Fourth Proportional to 2,680,069.80, 4,020,104.70 and 1,618,386.60

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Solution

The fourth proportional to 2,680,069.80, 4,020,104.70 and 1,618,386.60 is: 2,427,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,069.80 : 4,020,104.70 = 1,618,386.60 : x
  2. Step 2: Convert to fraction form
    2,680,069.80/4,020,104.70 = 1,618,386.60/x
  3. Step 3: Cross multiply
    2,680,069.80x = 4,020,104.70 × 1,618,386.60
  4. Step 4: Simplify right side
    2,680,069.80x = 6,506,083,577,077.02
  5. Step 5: Solve for x
    x = 6,506,083,577,077.02/2,680,069.80
  6. Step 6: Final answer
    x = 2,427,579.90

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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.