Home / 1,615,015.51-2,229,151.20-953,309.20

Finding the Fourth Proportional to 1,615,015.51, 2,229,151.20 and 953,309.20

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Solution

The fourth proportional to 1,615,015.51, 2,229,151.20 and 953,309.20 is: 1,315,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,015.51 : 2,229,151.20 = 953,309.20 : x
  2. Step 2: Convert to fraction form
    1,615,015.51/2,229,151.20 = 953,309.20/x
  3. Step 3: Cross multiply
    1,615,015.51x = 2,229,151.20 × 953,309.20
  4. Step 4: Simplify right side
    1,615,015.51x = 2,125,070,343,523.45
  5. Step 5: Solve for x
    x = 2,125,070,343,523.45/1,615,015.51
  6. Step 6: Final answer
    x = 1,315,820.39

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1.5x scale

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.