Home / 5,518,287.40-7,615,181.64-3,070,856.56

Finding the Fourth Proportional to 5,518,287.40, 7,615,181.64 and 3,070,856.56

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Solution

The fourth proportional to 5,518,287.40, 7,615,181.64 and 3,070,856.56 is: 4,237,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,287.40 : 7,615,181.64 = 3,070,856.56 : x
  2. Step 2: Convert to fraction form
    5,518,287.40/7,615,181.64 = 3,070,856.56/x
  3. Step 3: Cross multiply
    5,518,287.40x = 7,615,181.64 × 3,070,856.56
  4. Step 4: Simplify right side
    5,518,287.40x = 23,385,130,494,785.56
  5. Step 5: Solve for x
    x = 23,385,130,494,785.56/5,518,287.40
  6. Step 6: Final answer
    x = 4,237,751.46

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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.