Home / 5,426,410.70-8,139,616.05-1,640,477.90

Finding the Fourth Proportional to 5,426,410.70, 8,139,616.05 and 1,640,477.90

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Solution

The fourth proportional to 5,426,410.70, 8,139,616.05 and 1,640,477.90 is: 2,460,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,410.70 : 8,139,616.05 = 1,640,477.90 : x
  2. Step 2: Convert to fraction form
    5,426,410.70/8,139,616.05 = 1,640,477.90/x
  3. Step 3: Cross multiply
    5,426,410.70x = 8,139,616.05 × 1,640,477.90
  4. Step 4: Simplify right side
    5,426,410.70x = 13,352,860,244,510.29
  5. Step 5: Solve for x
    x = 13,352,860,244,510.29/5,426,410.70
  6. Step 6: Final answer
    x = 2,460,716.85

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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.