Home / 6,369,478.94-8,790,129.72-3,616,422.50

Finding the Fourth Proportional to 6,369,478.94, 8,790,129.72 and 3,616,422.50

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Solution

The fourth proportional to 6,369,478.94, 8,790,129.72 and 3,616,422.50 is: 4,990,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,478.94 : 8,790,129.72 = 3,616,422.50 : x
  2. Step 2: Convert to fraction form
    6,369,478.94/8,790,129.72 = 3,616,422.50/x
  3. Step 3: Cross multiply
    6,369,478.94x = 8,790,129.72 × 3,616,422.50
  4. Step 4: Simplify right side
    6,369,478.94x = 31,788,822,853,376.05
  5. Step 5: Solve for x
    x = 31,788,822,853,376.05/6,369,478.94
  6. Step 6: Final answer
    x = 4,990,804.30

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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.