Home / 2,518,281.48-3,778,159.14-812,391.96

Finding the Fourth Proportional to 2,518,281.48, 3,778,159.14 and 812,391.96

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Solution

The fourth proportional to 2,518,281.48, 3,778,159.14 and 812,391.96 is: 1,218,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,281.48 : 3,778,159.14 = 812,391.96 : x
  2. Step 2: Convert to fraction form
    2,518,281.48/3,778,159.14 = 812,391.96/x
  3. Step 3: Cross multiply
    2,518,281.48x = 3,778,159.14 × 812,391.96
  4. Step 4: Simplify right side
    2,518,281.48x = 3,069,346,108,936.51
  5. Step 5: Solve for x
    x = 3,069,346,108,936.51/2,518,281.48
  6. Step 6: Final answer
    x = 1,218,825.67

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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.