Home / 2,291,639.55-3,161,276.80-1,556,631.74

Finding the Fourth Proportional to 2,291,639.55, 3,161,276.80 and 1,556,631.74

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Solution

The fourth proportional to 2,291,639.55, 3,161,276.80 and 1,556,631.74 is: 2,147,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,639.55 : 3,161,276.80 = 1,556,631.74 : x
  2. Step 2: Convert to fraction form
    2,291,639.55/3,161,276.80 = 1,556,631.74/x
  3. Step 3: Cross multiply
    2,291,639.55x = 3,161,276.80 × 1,556,631.74
  4. Step 4: Simplify right side
    2,291,639.55x = 4,920,943,794,291.36
  5. Step 5: Solve for x
    x = 4,920,943,794,291.36/2,291,639.55
  6. Step 6: Final answer
    x = 2,147,346.34

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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.