Home / 2,690,218.88-3,712,763.04-2,009,974.40

Finding the Fourth Proportional to 2,690,218.88, 3,712,763.04 and 2,009,974.40

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Solution

The fourth proportional to 2,690,218.88, 3,712,763.04 and 2,009,974.40 is: 2,773,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,218.88 : 3,712,763.04 = 2,009,974.40 : x
  2. Step 2: Convert to fraction form
    2,690,218.88/3,712,763.04 = 2,009,974.40/x
  3. Step 3: Cross multiply
    2,690,218.88x = 3,712,763.04 × 2,009,974.40
  4. Step 4: Simplify right side
    2,690,218.88x = 7,462,558,663,666.18
  5. Step 5: Solve for x
    x = 7,462,558,663,666.18/2,690,218.88
  6. Step 6: Final answer
    x = 2,773,959.67

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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.