Home / 1,851,928.96-2,778,001.92-714,697.12

Finding the Fourth Proportional to 1,851,928.96, 2,778,001.92 and 714,697.12

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Solution

The fourth proportional to 1,851,928.96, 2,778,001.92 and 714,697.12 is: 1,072,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,928.96 : 2,778,001.92 = 714,697.12 : x
  2. Step 2: Convert to fraction form
    1,851,928.96/2,778,001.92 = 714,697.12/x
  3. Step 3: Cross multiply
    1,851,928.96x = 2,778,001.92 × 714,697.12
  4. Step 4: Simplify right side
    1,851,928.96x = 1,985,429,971,578.47
  5. Step 5: Solve for x
    x = 1,985,429,971,578.47/1,851,928.96
  6. Step 6: Final answer
    x = 1,072,087.54

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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.