Home / 2,090,343.08-3,135,826.25-742,392.45

Finding the Fourth Proportional to 2,090,343.08, 3,135,826.25 and 742,392.45

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Solution

The fourth proportional to 2,090,343.08, 3,135,826.25 and 742,392.45 is: 1,113,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,343.08 : 3,135,826.25 = 742,392.45 : x
  2. Step 2: Convert to fraction form
    2,090,343.08/3,135,826.25 = 742,392.45/x
  3. Step 3: Cross multiply
    2,090,343.08x = 3,135,826.25 × 742,392.45
  4. Step 4: Simplify right side
    2,090,343.08x = 2,328,013,728,799.85
  5. Step 5: Solve for x
    x = 2,328,013,728,799.85/2,090,343.08
  6. Step 6: Final answer
    x = 1,113,699.35

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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.