Home / 3,156,192.72-4,355,544.08-1,705,888.22

Finding the Fourth Proportional to 3,156,192.72, 4,355,544.08 and 1,705,888.22

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Solution

The fourth proportional to 3,156,192.72, 4,355,544.08 and 1,705,888.22 is: 2,354,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,192.72 : 4,355,544.08 = 1,705,888.22 : x
  2. Step 2: Convert to fraction form
    3,156,192.72/4,355,544.08 = 1,705,888.22/x
  3. Step 3: Cross multiply
    3,156,192.72x = 4,355,544.08 × 1,705,888.22
  4. Step 4: Simplify right side
    3,156,192.72x = 7,430,071,337,762.74
  5. Step 5: Solve for x
    x = 7,430,071,337,762.74/3,156,192.72
  6. Step 6: Final answer
    x = 2,354,124.73

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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.