Home / 5,421,675.84-8,121,669.60-3,261,510.72

Finding the Fourth Proportional to 5,421,675.84, 8,121,669.60 and 3,261,510.72

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Solution

The fourth proportional to 5,421,675.84, 8,121,669.60 and 3,261,510.72 is: 4,885,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,675.84 : 8,121,669.60 = 3,261,510.72 : x
  2. Step 2: Convert to fraction form
    5,421,675.84/8,121,669.60 = 3,261,510.72/x
  3. Step 3: Cross multiply
    5,421,675.84x = 8,121,669.60 × 3,261,510.72
  4. Step 4: Simplify right side
    5,421,675.84x = 26,488,912,464,698.11
  5. Step 5: Solve for x
    x = 26,488,912,464,698.11/5,421,675.84
  6. Step 6: Final answer
    x = 4,885,742.57

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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.