Home / 6,428,534.16-8,870,790.76-3,814,587.76

Finding the Fourth Proportional to 6,428,534.16, 8,870,790.76 and 3,814,587.76

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Solution

The fourth proportional to 6,428,534.16, 8,870,790.76 and 3,814,587.76 is: 5,263,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,534.16 : 8,870,790.76 = 3,814,587.76 : x
  2. Step 2: Convert to fraction form
    6,428,534.16/8,870,790.76 = 3,814,587.76/x
  3. Step 3: Cross multiply
    6,428,534.16x = 8,870,790.76 × 3,814,587.76
  4. Step 4: Simplify right side
    6,428,534.16x = 33,838,409,854,617.09
  5. Step 5: Solve for x
    x = 33,838,409,854,617.09/6,428,534.16
  6. Step 6: Final answer
    x = 5,263,783.16

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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.