Home / 2,646,642.40-3,968,019.60-1,048,415.20

Finding the Fourth Proportional to 2,646,642.40, 3,968,019.60 and 1,048,415.20

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Solution

The fourth proportional to 2,646,642.40, 3,968,019.60 and 1,048,415.20 is: 1,571,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,642.40 : 3,968,019.60 = 1,048,415.20 : x
  2. Step 2: Convert to fraction form
    2,646,642.40/3,968,019.60 = 1,048,415.20/x
  3. Step 3: Cross multiply
    2,646,642.40x = 3,968,019.60 × 1,048,415.20
  4. Step 4: Simplify right side
    2,646,642.40x = 4,160,132,062,537.92
  5. Step 5: Solve for x
    x = 4,160,132,062,537.92/2,646,642.40
  6. Step 6: Final answer
    x = 1,571,852.72

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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.