Home / 1,851,680.22-2,778,701.40-786,722.28

Finding the Fourth Proportional to 1,851,680.22, 2,778,701.40 and 786,722.28

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Solution

The fourth proportional to 1,851,680.22, 2,778,701.40 and 786,722.28 is: 1,180,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,680.22 : 2,778,701.40 = 786,722.28 : x
  2. Step 2: Convert to fraction form
    1,851,680.22/2,778,701.40 = 786,722.28/x
  3. Step 3: Cross multiply
    1,851,680.22x = 2,778,701.40 × 786,722.28
  4. Step 4: Simplify right side
    1,851,680.22x = 2,186,066,300,847.19
  5. Step 5: Solve for x
    x = 2,186,066,300,847.19/1,851,680.22
  6. Step 6: Final answer
    x = 1,180,585.22

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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.