Home / 5,052,218.69-7,578,958.65-1,977,812.42

Finding the Fourth Proportional to 5,052,218.69, 7,578,958.65 and 1,977,812.42

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Solution

The fourth proportional to 5,052,218.69, 7,578,958.65 and 1,977,812.42 is: 2,966,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052,218.69 : 7,578,958.65 = 1,977,812.42 : x
  2. Step 2: Convert to fraction form
    5,052,218.69/7,578,958.65 = 1,977,812.42/x
  3. Step 3: Cross multiply
    5,052,218.69x = 7,578,958.65 × 1,977,812.42
  4. Step 4: Simplify right side
    5,052,218.69x = 14,989,758,510,741.64
  5. Step 5: Solve for x
    x = 14,989,758,510,741.64/5,052,218.69
  6. Step 6: Final answer
    x = 2,966,965.49

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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.