Home / 2,378,941.09-3,282,927.64-1,291,203.16

Finding the Fourth Proportional to 2,378,941.09, 3,282,927.64 and 1,291,203.16

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Solution

The fourth proportional to 2,378,941.09, 3,282,927.64 and 1,291,203.16 is: 1,781,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,941.09 : 3,282,927.64 = 1,291,203.16 : x
  2. Step 2: Convert to fraction form
    2,378,941.09/3,282,927.64 = 1,291,203.16/x
  3. Step 3: Cross multiply
    2,378,941.09x = 3,282,927.64 × 1,291,203.16
  4. Step 4: Simplify right side
    2,378,941.09x = 4,238,926,531,384.02
  5. Step 5: Solve for x
    x = 4,238,926,531,384.02/2,378,941.09
  6. Step 6: Final answer
    x = 1,781,854.35

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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.