Home / 1,931,458.16-2,665,539.60-1,115,696.18

Finding the Fourth Proportional to 1,931,458.16, 2,665,539.60 and 1,115,696.18

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Solution

The fourth proportional to 1,931,458.16, 2,665,539.60 and 1,115,696.18 is: 1,539,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,458.16 : 2,665,539.60 = 1,115,696.18 : x
  2. Step 2: Convert to fraction form
    1,931,458.16/2,665,539.60 = 1,115,696.18/x
  3. Step 3: Cross multiply
    1,931,458.16x = 2,665,539.60 × 1,115,696.18
  4. Step 4: Simplify right side
    1,931,458.16x = 2,973,932,349,358.73
  5. Step 5: Solve for x
    x = 2,973,932,349,358.73/1,931,458.16
  6. Step 6: Final answer
    x = 1,539,734.29

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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.