Home / 6,331,019.81-8,736,815.06-3,430,408.39

Finding the Fourth Proportional to 6,331,019.81, 8,736,815.06 and 3,430,408.39

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Solution

The fourth proportional to 6,331,019.81, 8,736,815.06 and 3,430,408.39 is: 4,733,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331,019.81 : 8,736,815.06 = 3,430,408.39 : x
  2. Step 2: Convert to fraction form
    6,331,019.81/8,736,815.06 = 3,430,408.39/x
  3. Step 3: Cross multiply
    6,331,019.81x = 8,736,815.06 × 3,430,408.39
  4. Step 4: Simplify right side
    6,331,019.81x = 29,970,843,666,550.31
  5. Step 5: Solve for x
    x = 29,970,843,666,550.31/6,331,019.81
  6. Step 6: Final answer
    x = 4,733,967.76

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1.5x scale

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.