Home / 2,680,070.80-4,020,106.20-1,618,387.60

Finding the Fourth Proportional to 2,680,070.80, 4,020,106.20 and 1,618,387.60

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Solution

The fourth proportional to 2,680,070.80, 4,020,106.20 and 1,618,387.60 is: 2,427,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,070.80 : 4,020,106.20 = 1,618,387.60 : x
  2. Step 2: Convert to fraction form
    2,680,070.80/4,020,106.20 = 1,618,387.60/x
  3. Step 3: Cross multiply
    2,680,070.80x = 4,020,106.20 × 1,618,387.60
  4. Step 4: Simplify right side
    2,680,070.80x = 6,506,090,024,763.12
  5. Step 5: Solve for x
    x = 6,506,090,024,763.12/2,680,070.80
  6. Step 6: Final answer
    x = 2,427,581.40

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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.