Home / 2,690,930.70-4,031,828.45-1,623,730.30

Finding the Fourth Proportional to 2,690,930.70, 4,031,828.45 and 1,623,730.30

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Solution

The fourth proportional to 2,690,930.70, 4,031,828.45 and 1,623,730.30 is: 2,432,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,930.70 : 4,031,828.45 = 1,623,730.30 : x
  2. Step 2: Convert to fraction form
    2,690,930.70/4,031,828.45 = 1,623,730.30/x
  3. Step 3: Cross multiply
    2,690,930.70x = 4,031,828.45 × 1,623,730.30
  4. Step 4: Simplify right side
    2,690,930.70x = 6,546,602,018,667.04
  5. Step 5: Solve for x
    x = 6,546,602,018,667.04/2,690,930.70
  6. Step 6: Final answer
    x = 2,432,839.32

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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.