Home / 1,389,348.29-1,916,410.96-1,114,365.95

Finding the Fourth Proportional to 1,389,348.29, 1,916,410.96 and 1,114,365.95

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Solution

The fourth proportional to 1,389,348.29, 1,916,410.96 and 1,114,365.95 is: 1,537,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,348.29 : 1,916,410.96 = 1,114,365.95 : x
  2. Step 2: Convert to fraction form
    1,389,348.29/1,916,410.96 = 1,114,365.95/x
  3. Step 3: Cross multiply
    1,389,348.29x = 1,916,410.96 × 1,114,365.95
  4. Step 4: Simplify right side
    1,389,348.29x = 2,135,583,114,458.98
  5. Step 5: Solve for x
    x = 2,135,583,114,458.98/1,389,348.29
  6. Step 6: Final answer
    x = 1,537,111.42

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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.