Home / 2,155,113-3,232,670.72-659,205

Finding the Fourth Proportional to 2,155,113, 3,232,670.72 and 659,205

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Solution

The fourth proportional to 2,155,113, 3,232,670.72 and 659,205 is: 988,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,113 : 3,232,670.72 = 659,205 : x
  2. Step 2: Convert to fraction form
    2,155,113/3,232,670.72 = 659,205/x
  3. Step 3: Cross multiply
    2,155,113x = 3,232,670.72 × 659,205
  4. Step 4: Simplify right side
    2,155,113x = 2,130,992,698,681.58
  5. Step 5: Solve for x
    x = 2,130,992,698,681.58/2,155,113
  6. Step 6: Final answer
    x = 988,807.87

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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.