Home / 3,938,090.25-5,434,569.41-2,127,254.25

Finding the Fourth Proportional to 3,938,090.25, 5,434,569.41 and 2,127,254.25

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Solution

The fourth proportional to 3,938,090.25, 5,434,569.41 and 2,127,254.25 is: 2,935,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,090.25 : 5,434,569.41 = 2,127,254.25 : x
  2. Step 2: Convert to fraction form
    3,938,090.25/5,434,569.41 = 2,127,254.25/x
  3. Step 3: Cross multiply
    3,938,090.25x = 5,434,569.41 × 2,127,254.25
  4. Step 4: Simplify right side
    3,938,090.25x = 11,560,710,863,706.22
  5. Step 5: Solve for x
    x = 11,560,710,863,706.22/3,938,090.25
  6. Step 6: Final answer
    x = 2,935,613.49

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1.5x scale

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.