Home / 3,000,577.68-4,501,011.51-978,817.68

Finding the Fourth Proportional to 3,000,577.68, 4,501,011.51 and 978,817.68

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Solution

The fourth proportional to 3,000,577.68, 4,501,011.51 and 978,817.68 is: 1,468,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,577.68 : 4,501,011.51 = 978,817.68 : x
  2. Step 2: Convert to fraction form
    3,000,577.68/4,501,011.51 = 978,817.68/x
  3. Step 3: Cross multiply
    3,000,577.68x = 4,501,011.51 × 978,817.68
  4. Step 4: Simplify right side
    3,000,577.68x = 4,405,669,643,871.50
  5. Step 5: Solve for x
    x = 4,405,669,643,871.50/3,000,577.68
  6. Step 6: Final answer
    x = 1,468,273.82

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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.