Home / 2,476,931.16-3,418,204.14-1,389,444.60

Finding the Fourth Proportional to 2,476,931.16, 3,418,204.14 and 1,389,444.60

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Solution

The fourth proportional to 2,476,931.16, 3,418,204.14 and 1,389,444.60 is: 1,917,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476,931.16 : 3,418,204.14 = 1,389,444.60 : x
  2. Step 2: Convert to fraction form
    2,476,931.16/3,418,204.14 = 1,389,444.60/x
  3. Step 3: Cross multiply
    2,476,931.16x = 3,418,204.14 × 1,389,444.60
  4. Step 4: Simplify right side
    2,476,931.16x = 4,749,405,284,020.64
  5. Step 5: Solve for x
    x = 4,749,405,284,020.64/2,476,931.16
  6. Step 6: Final answer
    x = 1,917,455.50

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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.