Home / 3,057,400.21-4,219,264.31-1,680,801.26

Finding the Fourth Proportional to 3,057,400.21, 4,219,264.31 and 1,680,801.26

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Solution

The fourth proportional to 3,057,400.21, 4,219,264.31 and 1,680,801.26 is: 2,319,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,400.21 : 4,219,264.31 = 1,680,801.26 : x
  2. Step 2: Convert to fraction form
    3,057,400.21/4,219,264.31 = 1,680,801.26/x
  3. Step 3: Cross multiply
    3,057,400.21x = 4,219,264.31 × 1,680,801.26
  4. Step 4: Simplify right side
    3,057,400.21x = 7,091,744,768,521.03
  5. Step 5: Solve for x
    x = 7,091,744,768,521.03/3,057,400.21
  6. Step 6: Final answer
    x = 2,319,534.34

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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.