Home / 3,111,021.52-4,683,339.34-2,798,184.88

Finding the Fourth Proportional to 3,111,021.52, 4,683,339.34 and 2,798,184.88

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Solution

The fourth proportional to 3,111,021.52, 4,683,339.34 and 2,798,184.88 is: 4,212,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,021.52 : 4,683,339.34 = 2,798,184.88 : x
  2. Step 2: Convert to fraction form
    3,111,021.52/4,683,339.34 = 2,798,184.88/x
  3. Step 3: Cross multiply
    3,111,021.52x = 4,683,339.34 × 2,798,184.88
  4. Step 4: Simplify right side
    3,111,021.52x = 13,104,849,329,097.18
  5. Step 5: Solve for x
    x = 13,104,849,329,097.18/3,111,021.52
  6. Step 6: Final answer
    x = 4,212,394.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.