Home / 1,610,019.48-2,221,780.07-921,668.12

Finding the Fourth Proportional to 1,610,019.48, 2,221,780.07 and 921,668.12

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Solution

The fourth proportional to 1,610,019.48, 2,221,780.07 and 921,668.12 is: 1,271,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,019.48 : 2,221,780.07 = 921,668.12 : x
  2. Step 2: Convert to fraction form
    1,610,019.48/2,221,780.07 = 921,668.12/x
  3. Step 3: Cross multiply
    1,610,019.48x = 2,221,780.07 × 921,668.12
  4. Step 4: Simplify right side
    1,610,019.48x = 2,047,743,860,170.37
  5. Step 5: Solve for x
    x = 2,047,743,860,170.37/1,610,019.48
  6. Step 6: Final answer
    x = 1,271,875.21

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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.