Home / 3,115,053.22-4,298,748.44-1,808,426.50

Finding the Fourth Proportional to 3,115,053.22, 4,298,748.44 and 1,808,426.50

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Solution

The fourth proportional to 3,115,053.22, 4,298,748.44 and 1,808,426.50 is: 2,495,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,053.22 : 4,298,748.44 = 1,808,426.50 : x
  2. Step 2: Convert to fraction form
    3,115,053.22/4,298,748.44 = 1,808,426.50/x
  3. Step 3: Cross multiply
    3,115,053.22x = 4,298,748.44 × 1,808,426.50
  4. Step 4: Simplify right side
    3,115,053.22x = 7,773,970,615,379.72
  5. Step 5: Solve for x
    x = 7,773,970,615,379.72/3,115,053.22
  6. Step 6: Final answer
    x = 2,495,614.06

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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.