Home / 3,405,420.47-4,696,588.94-2,877,577.67

Finding the Fourth Proportional to 3,405,420.47, 4,696,588.94 and 2,877,577.67

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Solution

The fourth proportional to 3,405,420.47, 4,696,588.94 and 2,877,577.67 is: 3,968,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,420.47 : 4,696,588.94 = 2,877,577.67 : x
  2. Step 2: Convert to fraction form
    3,405,420.47/4,696,588.94 = 2,877,577.67/x
  3. Step 3: Cross multiply
    3,405,420.47x = 4,696,588.94 × 2,877,577.67
  4. Step 4: Simplify right side
    3,405,420.47x = 13,514,799,421,042.14
  5. Step 5: Solve for x
    x = 13,514,799,421,042.14/3,405,420.47
  6. Step 6: Final answer
    x = 3,968,614.03

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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.