Home / 5,071,297.12-6,998,072.88-2,779,295.20

Finding the Fourth Proportional to 5,071,297.12, 6,998,072.88 and 2,779,295.20

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Solution

The fourth proportional to 5,071,297.12, 6,998,072.88 and 2,779,295.20 is: 3,835,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,297.12 : 6,998,072.88 = 2,779,295.20 : x
  2. Step 2: Convert to fraction form
    5,071,297.12/6,998,072.88 = 2,779,295.20/x
  3. Step 3: Cross multiply
    5,071,297.12x = 6,998,072.88 × 2,779,295.20
  4. Step 4: Simplify right side
    5,071,297.12x = 19,449,710,364,634.18
  5. Step 5: Solve for x
    x = 19,449,710,364,634.18/5,071,297.12
  6. Step 6: Final answer
    x = 3,835,253.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.