Home / 4,311,897.80-6,467,328.30-1,787,289.80

Finding the Fourth Proportional to 4,311,897.80, 6,467,328.30 and 1,787,289.80

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Solution

The fourth proportional to 4,311,897.80, 6,467,328.30 and 1,787,289.80 is: 2,680,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,897.80 : 6,467,328.30 = 1,787,289.80 : x
  2. Step 2: Convert to fraction form
    4,311,897.80/6,467,328.30 = 1,787,289.80/x
  3. Step 3: Cross multiply
    4,311,897.80x = 6,467,328.30 × 1,787,289.80
  4. Step 4: Simplify right side
    4,311,897.80x = 11,558,989,903,841.34
  5. Step 5: Solve for x
    x = 11,558,989,903,841.34/4,311,897.80
  6. Step 6: Final answer
    x = 2,680,719.82

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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.