Home / 3,902,809.96-5,845,689.01-1,621,417.29

Finding the Fourth Proportional to 3,902,809.96, 5,845,689.01 and 1,621,417.29

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Solution

The fourth proportional to 3,902,809.96, 5,845,689.01 and 1,621,417.29 is: 2,428,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,809.96 : 5,845,689.01 = 1,621,417.29 : x
  2. Step 2: Convert to fraction form
    3,902,809.96/5,845,689.01 = 1,621,417.29/x
  3. Step 3: Cross multiply
    3,902,809.96x = 5,845,689.01 × 1,621,417.29
  4. Step 4: Simplify right side
    3,902,809.96x = 9,478,301,232,776.98
  5. Step 5: Solve for x
    x = 9,478,301,232,776.98/3,902,809.96
  6. Step 6: Final answer
    x = 2,428,583.85

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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.