Home / 6,900,970.40-10,343,679.60-3,308,458.40

Finding the Fourth Proportional to 6,900,970.40, 10,343,679.60 and 3,308,458.40

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Solution

The fourth proportional to 6,900,970.40, 10,343,679.60 and 3,308,458.40 is: 4,958,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,970.40 : 10,343,679.60 = 3,308,458.40 : x
  2. Step 2: Convert to fraction form
    6,900,970.40/10,343,679.60 = 3,308,458.40/x
  3. Step 3: Cross multiply
    6,900,970.40x = 10,343,679.60 × 3,308,458.40
  4. Step 4: Simplify right side
    6,900,970.40x = 34,221,633,659,528.64
  5. Step 5: Solve for x
    x = 34,221,633,659,528.64/6,900,970.40
  6. Step 6: Final answer
    x = 4,958,959.64

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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.