Home / 4,948,721.21-7,421,261.06-1,709,434.52

Finding the Fourth Proportional to 4,948,721.21, 7,421,261.06 and 1,709,434.52

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Solution

The fourth proportional to 4,948,721.21, 7,421,261.06 and 1,709,434.52 is: 2,563,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948,721.21 : 7,421,261.06 = 1,709,434.52 : x
  2. Step 2: Convert to fraction form
    4,948,721.21/7,421,261.06 = 1,709,434.52/x
  3. Step 3: Cross multiply
    4,948,721.21x = 7,421,261.06 × 1,709,434.52
  4. Step 4: Simplify right side
    4,948,721.21x = 12,686,159,800,789.48
  5. Step 5: Solve for x
    x = 12,686,159,800,789.48/4,948,721.21
  6. Step 6: Final answer
    x = 2,563,522.83

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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.