Home / 1,475,135.20-2,212,702.80-1,461,138.40

Finding the Fourth Proportional to 1,475,135.20, 2,212,702.80 and 1,461,138.40

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Solution

The fourth proportional to 1,475,135.20, 2,212,702.80 and 1,461,138.40 is: 2,191,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,135.20 : 2,212,702.80 = 1,461,138.40 : x
  2. Step 2: Convert to fraction form
    1,475,135.20/2,212,702.80 = 1,461,138.40/x
  3. Step 3: Cross multiply
    1,475,135.20x = 2,212,702.80 × 1,461,138.40
  4. Step 4: Simplify right side
    1,475,135.20x = 3,233,065,028,867.52
  5. Step 5: Solve for x
    x = 3,233,065,028,867.52/1,475,135.20
  6. Step 6: Final answer
    x = 2,191,707.60

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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.