Home / 5,430,537.40-8,143,400.40-1,835,328.10

Finding the Fourth Proportional to 5,430,537.40, 8,143,400.40 and 1,835,328.10

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Solution

The fourth proportional to 5,430,537.40, 8,143,400.40 and 1,835,328.10 is: 2,752,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,537.40 : 8,143,400.40 = 1,835,328.10 : x
  2. Step 2: Convert to fraction form
    5,430,537.40/8,143,400.40 = 1,835,328.10/x
  3. Step 3: Cross multiply
    5,430,537.40x = 8,143,400.40 × 1,835,328.10
  4. Step 4: Simplify right side
    5,430,537.40x = 14,945,811,583,671.24
  5. Step 5: Solve for x
    x = 14,945,811,583,671.24/5,430,537.40
  6. Step 6: Final answer
    x = 2,752,179.11

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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.