Home / 2,188,368.17-3,020,451.96-1,283,241.77

Finding the Fourth Proportional to 2,188,368.17, 3,020,451.96 and 1,283,241.77

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Solution

The fourth proportional to 2,188,368.17, 3,020,451.96 and 1,283,241.77 is: 1,771,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,368.17 : 3,020,451.96 = 1,283,241.77 : x
  2. Step 2: Convert to fraction form
    2,188,368.17/3,020,451.96 = 1,283,241.77/x
  3. Step 3: Cross multiply
    2,188,368.17x = 3,020,451.96 × 1,283,241.77
  4. Step 4: Simplify right side
    2,188,368.17x = 3,875,970,104,248.11
  5. Step 5: Solve for x
    x = 3,875,970,104,248.11/2,188,368.17
  6. Step 6: Final answer
    x = 1,771,169.11

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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.