Home / 2,157,176.98-2,977,982-1,341,643.56

Finding the Fourth Proportional to 2,157,176.98, 2,977,982 and 1,341,643.56

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Solution

The fourth proportional to 2,157,176.98, 2,977,982 and 1,341,643.56 is: 1,852,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,176.98 : 2,977,982 = 1,341,643.56 : x
  2. Step 2: Convert to fraction form
    2,157,176.98/2,977,982 = 1,341,643.56/x
  3. Step 3: Cross multiply
    2,157,176.98x = 2,977,982 × 1,341,643.56
  4. Step 4: Simplify right side
    2,157,176.98x = 3,995,390,372,095.92
  5. Step 5: Solve for x
    x = 3,995,390,372,095.92/2,157,176.98
  6. Step 6: Final answer
    x = 1,852,138.42

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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.