Home / 1,766,427.10-2,646,919.05-1,315,030.30

Finding the Fourth Proportional to 1,766,427.10, 2,646,919.05 and 1,315,030.30

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Solution

The fourth proportional to 1,766,427.10, 2,646,919.05 and 1,315,030.30 is: 1,970,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,427.10 : 2,646,919.05 = 1,315,030.30 : x
  2. Step 2: Convert to fraction form
    1,766,427.10/2,646,919.05 = 1,315,030.30/x
  3. Step 3: Cross multiply
    1,766,427.10x = 2,646,919.05 × 1,315,030.30
  4. Step 4: Simplify right side
    1,766,427.10x = 3,480,778,752,397.22
  5. Step 5: Solve for x
    x = 3,480,778,752,397.22/1,766,427.10
  6. Step 6: Final answer
    x = 1,970,519.33

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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.