Home / 6,409,643.60-8,845,413.64-3,508,986.62

Finding the Fourth Proportional to 6,409,643.60, 8,845,413.64 and 3,508,986.62

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Solution

The fourth proportional to 6,409,643.60, 8,845,413.64 and 3,508,986.62 is: 4,842,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,643.60 : 8,845,413.64 = 3,508,986.62 : x
  2. Step 2: Convert to fraction form
    6,409,643.60/8,845,413.64 = 3,508,986.62/x
  3. Step 3: Cross multiply
    6,409,643.60x = 8,845,413.64 × 3,508,986.62
  4. Step 4: Simplify right side
    6,409,643.60x = 31,038,438,124,466.56
  5. Step 5: Solve for x
    x = 31,038,438,124,466.56/6,409,643.60
  6. Step 6: Final answer
    x = 4,842,459.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.