Home / 2,919,209.30-4,378,813.95-2,116,726.10

Finding the Fourth Proportional to 2,919,209.30, 4,378,813.95 and 2,116,726.10

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Solution

The fourth proportional to 2,919,209.30, 4,378,813.95 and 2,116,726.10 is: 3,175,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,209.30 : 4,378,813.95 = 2,116,726.10 : x
  2. Step 2: Convert to fraction form
    2,919,209.30/4,378,813.95 = 2,116,726.10/x
  3. Step 3: Cross multiply
    2,919,209.30x = 4,378,813.95 × 2,116,726.10
  4. Step 4: Simplify right side
    2,919,209.30x = 9,268,749,775,009.10
  5. Step 5: Solve for x
    x = 9,268,749,775,009.10/2,919,209.30
  6. Step 6: Final answer
    x = 3,175,089.15

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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.