Home / 4,712,876.87-7,069,868.93-1,680,673.86

Finding the Fourth Proportional to 4,712,876.87, 7,069,868.93 and 1,680,673.86

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Solution

The fourth proportional to 4,712,876.87, 7,069,868.93 and 1,680,673.86 is: 2,521,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,876.87 : 7,069,868.93 = 1,680,673.86 : x
  2. Step 2: Convert to fraction form
    4,712,876.87/7,069,868.93 = 1,680,673.86/x
  3. Step 3: Cross multiply
    4,712,876.87x = 7,069,868.93 × 1,680,673.86
  4. Step 4: Simplify right side
    4,712,876.87x = 11,882,143,908,478.86
  5. Step 5: Solve for x
    x = 11,882,143,908,478.86/4,712,876.87
  6. Step 6: Final answer
    x = 2,521,208.22

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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.