Home / 2,646,643.40-3,968,021.10-1,048,416.20

Finding the Fourth Proportional to 2,646,643.40, 3,968,021.10 and 1,048,416.20

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Solution

The fourth proportional to 2,646,643.40, 3,968,021.10 and 1,048,416.20 is: 1,571,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,643.40 : 3,968,021.10 = 1,048,416.20 : x
  2. Step 2: Convert to fraction form
    2,646,643.40/3,968,021.10 = 1,048,416.20/x
  3. Step 3: Cross multiply
    2,646,643.40x = 3,968,021.10 × 1,048,416.20
  4. Step 4: Simplify right side
    2,646,643.40x = 4,160,137,603,181.82
  5. Step 5: Solve for x
    x = 4,160,137,603,181.82/2,646,643.40
  6. Step 6: Final answer
    x = 1,571,854.22

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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.