Home / 5,172,864.72-7,759,297.16-1,578,650.08

Finding the Fourth Proportional to 5,172,864.72, 7,759,297.16 and 1,578,650.08

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Solution

The fourth proportional to 5,172,864.72, 7,759,297.16 and 1,578,650.08 is: 2,367,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,864.72 : 7,759,297.16 = 1,578,650.08 : x
  2. Step 2: Convert to fraction form
    5,172,864.72/7,759,297.16 = 1,578,650.08/x
  3. Step 3: Cross multiply
    5,172,864.72x = 7,759,297.16 × 1,578,650.08
  4. Step 4: Simplify right side
    5,172,864.72x = 12,249,215,082,377.77
  5. Step 5: Solve for x
    x = 12,249,215,082,377.77/5,172,864.72
  6. Step 6: Final answer
    x = 2,367,975.14

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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.