Home / 4,942,920.78-6,820,647.30-2,849,739.66

Finding the Fourth Proportional to 4,942,920.78, 6,820,647.30 and 2,849,739.66

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Solution

The fourth proportional to 4,942,920.78, 6,820,647.30 and 2,849,739.66 is: 3,932,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942,920.78 : 6,820,647.30 = 2,849,739.66 : x
  2. Step 2: Convert to fraction form
    4,942,920.78/6,820,647.30 = 2,849,739.66/x
  3. Step 3: Cross multiply
    4,942,920.78x = 6,820,647.30 × 2,849,739.66
  4. Step 4: Simplify right side
    4,942,920.78x = 19,437,069,117,681.92
  5. Step 5: Solve for x
    x = 19,437,069,117,681.92/4,942,920.78
  6. Step 6: Final answer
    x = 3,932,304.40

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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.