Home / 6,470,437.20-9,705,655.80-3,285,387.60

Finding the Fourth Proportional to 6,470,437.20, 9,705,655.80 and 3,285,387.60

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Solution

The fourth proportional to 6,470,437.20, 9,705,655.80 and 3,285,387.60 is: 4,928,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,437.20 : 9,705,655.80 = 3,285,387.60 : x
  2. Step 2: Convert to fraction form
    6,470,437.20/9,705,655.80 = 3,285,387.60/x
  3. Step 3: Cross multiply
    6,470,437.20x = 9,705,655.80 × 3,285,387.60
  4. Step 4: Simplify right side
    6,470,437.20x = 31,886,841,215,188.08
  5. Step 5: Solve for x
    x = 31,886,841,215,188.08/6,470,437.20
  6. Step 6: Final answer
    x = 4,928,081.40

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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.