Home / 5,221,746.40-7,830,845.60-1,809,236.56

Finding the Fourth Proportional to 5,221,746.40, 7,830,845.60 and 1,809,236.56

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Solution

The fourth proportional to 5,221,746.40, 7,830,845.60 and 1,809,236.56 is: 2,713,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,746.40 : 7,830,845.60 = 1,809,236.56 : x
  2. Step 2: Convert to fraction form
    5,221,746.40/7,830,845.60 = 1,809,236.56/x
  3. Step 3: Cross multiply
    5,221,746.40x = 7,830,845.60 × 1,809,236.56
  4. Step 4: Simplify right side
    5,221,746.40x = 14,167,852,155,235.14
  5. Step 5: Solve for x
    x = 14,167,852,155,235.14/5,221,746.40
  6. Step 6: Final answer
    x = 2,713,240.18

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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.