Home / 3,421,927.65-4,721,765.88-1,894,031.13

Finding the Fourth Proportional to 3,421,927.65, 4,721,765.88 and 1,894,031.13

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Solution

The fourth proportional to 3,421,927.65, 4,721,765.88 and 1,894,031.13 is: 2,613,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,927.65 : 4,721,765.88 = 1,894,031.13 : x
  2. Step 2: Convert to fraction form
    3,421,927.65/4,721,765.88 = 1,894,031.13/x
  3. Step 3: Cross multiply
    3,421,927.65x = 4,721,765.88 × 1,894,031.13
  4. Step 4: Simplify right side
    3,421,927.65x = 8,943,171,565,291.84
  5. Step 5: Solve for x
    x = 8,943,171,565,291.84/3,421,927.65
  6. Step 6: Final answer
    x = 2,613,489.38

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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.