Home / 2,845,728.36-3,927,136.02-1,556,540.40

Finding the Fourth Proportional to 2,845,728.36, 3,927,136.02 and 1,556,540.40

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Solution

The fourth proportional to 2,845,728.36, 3,927,136.02 and 1,556,540.40 is: 2,148,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,728.36 : 3,927,136.02 = 1,556,540.40 : x
  2. Step 2: Convert to fraction form
    2,845,728.36/3,927,136.02 = 1,556,540.40/x
  3. Step 3: Cross multiply
    2,845,728.36x = 3,927,136.02 × 1,556,540.40
  4. Step 4: Simplify right side
    2,845,728.36x = 6,112,745,871,425.21
  5. Step 5: Solve for x
    x = 6,112,745,871,425.21/2,845,728.36
  6. Step 6: Final answer
    x = 2,148,042.64

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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.