Home / 6,429,945.35-8,880,689-4,234,621.77

Finding the Fourth Proportional to 6,429,945.35, 8,880,689 and 4,234,621.77

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Solution

The fourth proportional to 6,429,945.35, 8,880,689 and 4,234,621.77 is: 5,848,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,945.35 : 8,880,689 = 4,234,621.77 : x
  2. Step 2: Convert to fraction form
    6,429,945.35/8,880,689 = 4,234,621.77/x
  3. Step 3: Cross multiply
    6,429,945.35x = 8,880,689 × 4,234,621.77
  4. Step 4: Simplify right side
    6,429,945.35x = 37,606,358,971,999.52
  5. Step 5: Solve for x
    x = 37,606,358,971,999.52/6,429,945.35
  6. Step 6: Final answer
    x = 5,848,628.09

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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.