Home / 3,405,428.83-4,696,600.47-2,877,586.05

Finding the Fourth Proportional to 3,405,428.83, 4,696,600.47 and 2,877,586.05

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Solution

The fourth proportional to 3,405,428.83, 4,696,600.47 and 2,877,586.05 is: 3,968,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,428.83 : 4,696,600.47 = 2,877,586.05 : x
  2. Step 2: Convert to fraction form
    3,405,428.83/4,696,600.47 = 2,877,586.05/x
  3. Step 3: Cross multiply
    3,405,428.83x = 4,696,600.47 × 2,877,586.05
  4. Step 4: Simplify right side
    3,405,428.83x = 13,514,872,017,903.17
  5. Step 5: Solve for x
    x = 13,514,872,017,903.17/3,405,428.83
  6. Step 6: Final answer
    x = 3,968,625.59

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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.