Home / 6,138,280.88-8,470,889.36-3,385,078.18

Finding the Fourth Proportional to 6,138,280.88, 8,470,889.36 and 3,385,078.18

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Solution

The fourth proportional to 6,138,280.88, 8,470,889.36 and 3,385,078.18 is: 4,671,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,280.88 : 8,470,889.36 = 3,385,078.18 : x
  2. Step 2: Convert to fraction form
    6,138,280.88/8,470,889.36 = 3,385,078.18/x
  3. Step 3: Cross multiply
    6,138,280.88x = 8,470,889.36 × 3,385,078.18
  4. Step 4: Simplify right side
    6,138,280.88x = 28,674,622,737,730.16
  5. Step 5: Solve for x
    x = 28,674,622,737,730.16/6,138,280.88
  6. Step 6: Final answer
    x = 4,671,441.94

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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.