Home / 3,879,376.09-5,353,328.51-2,136,706.31

Finding the Fourth Proportional to 3,879,376.09, 5,353,328.51 and 2,136,706.31

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Solution

The fourth proportional to 3,879,376.09, 5,353,328.51 and 2,136,706.31 is: 2,948,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,376.09 : 5,353,328.51 = 2,136,706.31 : x
  2. Step 2: Convert to fraction form
    3,879,376.09/5,353,328.51 = 2,136,706.31/x
  3. Step 3: Cross multiply
    3,879,376.09x = 5,353,328.51 × 2,136,706.31
  4. Step 4: Simplify right side
    3,879,376.09x = 11,438,490,817,532.34
  5. Step 5: Solve for x
    x = 11,438,490,817,532.34/3,879,376.09
  6. Step 6: Final answer
    x = 2,948,538.78

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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.