Home / 5,376,855.16-8,066,857.38-1,590,438.88

Finding the Fourth Proportional to 5,376,855.16, 8,066,857.38 and 1,590,438.88

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Solution

The fourth proportional to 5,376,855.16, 8,066,857.38 and 1,590,438.88 is: 2,386,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,855.16 : 8,066,857.38 = 1,590,438.88 : x
  2. Step 2: Convert to fraction form
    5,376,855.16/8,066,857.38 = 1,590,438.88/x
  3. Step 3: Cross multiply
    5,376,855.16x = 8,066,857.38 × 1,590,438.88
  4. Step 4: Simplify right side
    5,376,855.16x = 12,829,843,616,566.93
  5. Step 5: Solve for x
    x = 12,829,843,616,566.93/5,376,855.16
  6. Step 6: Final answer
    x = 2,386,124.09

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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.