Home / 1,808,006.80-2,712,010.20-1,605,053.20

Finding the Fourth Proportional to 1,808,006.80, 2,712,010.20 and 1,605,053.20

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Solution

The fourth proportional to 1,808,006.80, 2,712,010.20 and 1,605,053.20 is: 2,407,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,006.80 : 2,712,010.20 = 1,605,053.20 : x
  2. Step 2: Convert to fraction form
    1,808,006.80/2,712,010.20 = 1,605,053.20/x
  3. Step 3: Cross multiply
    1,808,006.80x = 2,712,010.20 × 1,605,053.20
  4. Step 4: Simplify right side
    1,808,006.80x = 4,352,920,649,942.64
  5. Step 5: Solve for x
    x = 4,352,920,649,942.64/1,808,006.80
  6. Step 6: Final answer
    x = 2,407,579.80

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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.