Home / 2,130,216.60-3,197,293.20-1,066,022.40

Finding the Fourth Proportional to 2,130,216.60, 3,197,293.20 and 1,066,022.40

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Solution

The fourth proportional to 2,130,216.60, 3,197,293.20 and 1,066,022.40 is: 1,600,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,216.60 : 3,197,293.20 = 1,066,022.40 : x
  2. Step 2: Convert to fraction form
    2,130,216.60/3,197,293.20 = 1,066,022.40/x
  3. Step 3: Cross multiply
    2,130,216.60x = 3,197,293.20 × 1,066,022.40
  4. Step 4: Simplify right side
    2,130,216.60x = 3,408,386,170,567.68
  5. Step 5: Solve for x
    x = 3,408,386,170,567.68/2,130,216.60
  6. Step 6: Final answer
    x = 1,600,018.59

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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.