Home / 2,021,127.65-3,031,691.48-1,010,405.60

Finding the Fourth Proportional to 2,021,127.65, 3,031,691.48 and 1,010,405.60

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Solution

The fourth proportional to 2,021,127.65, 3,031,691.48 and 1,010,405.60 is: 1,515,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,127.65 : 3,031,691.48 = 1,010,405.60 : x
  2. Step 2: Convert to fraction form
    2,021,127.65/3,031,691.48 = 1,010,405.60/x
  3. Step 3: Cross multiply
    2,021,127.65x = 3,031,691.48 × 1,010,405.60
  4. Step 4: Simplify right side
    2,021,127.65x = 3,063,238,048,864.29
  5. Step 5: Solve for x
    x = 3,063,238,048,864.29/2,021,127.65
  6. Step 6: Final answer
    x = 1,515,608.40

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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.