Home / 2,210,345.46-3,315,507.18-1,909,911.78

Finding the Fourth Proportional to 2,210,345.46, 3,315,507.18 and 1,909,911.78

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Solution

The fourth proportional to 2,210,345.46, 3,315,507.18 and 1,909,911.78 is: 2,864,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,345.46 : 3,315,507.18 = 1,909,911.78 : x
  2. Step 2: Convert to fraction form
    2,210,345.46/3,315,507.18 = 1,909,911.78/x
  3. Step 3: Cross multiply
    2,210,345.46x = 3,315,507.18 × 1,909,911.78
  4. Step 4: Simplify right side
    2,210,345.46x = 6,332,326,219,756.58
  5. Step 5: Solve for x
    x = 6,332,326,219,756.58/2,210,345.46
  6. Step 6: Final answer
    x = 2,864,858.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.