Home / 2,528,889.55-3,490,186.38-1,658,456.26

Finding the Fourth Proportional to 2,528,889.55, 3,490,186.38 and 1,658,456.26

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Solution

The fourth proportional to 2,528,889.55, 3,490,186.38 and 1,658,456.26 is: 2,288,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,889.55 : 3,490,186.38 = 1,658,456.26 : x
  2. Step 2: Convert to fraction form
    2,528,889.55/3,490,186.38 = 1,658,456.26/x
  3. Step 3: Cross multiply
    2,528,889.55x = 3,490,186.38 × 1,658,456.26
  4. Step 4: Simplify right side
    2,528,889.55x = 5,788,321,450,477.74
  5. Step 5: Solve for x
    x = 5,788,321,450,477.74/2,528,889.55
  6. Step 6: Final answer
    x = 2,288,878.71

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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.