Home / 3,362,085.77-4,639,656.38-1,911,781.31

Finding the Fourth Proportional to 3,362,085.77, 4,639,656.38 and 1,911,781.31

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Solution

The fourth proportional to 3,362,085.77, 4,639,656.38 and 1,911,781.31 is: 2,638,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,085.77 : 4,639,656.38 = 1,911,781.31 : x
  2. Step 2: Convert to fraction form
    3,362,085.77/4,639,656.38 = 1,911,781.31/x
  3. Step 3: Cross multiply
    3,362,085.77x = 4,639,656.38 × 1,911,781.31
  4. Step 4: Simplify right side
    3,362,085.77x = 8,870,008,319,349.07
  5. Step 5: Solve for x
    x = 8,870,008,319,349.07/3,362,085.77
  6. Step 6: Final answer
    x = 2,638,245.70

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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.