Home / 6,420,317.16-8,859,800.16-3,480,071.16

Finding the Fourth Proportional to 6,420,317.16, 8,859,800.16 and 3,480,071.16

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Solution

The fourth proportional to 6,420,317.16, 8,859,800.16 and 3,480,071.16 is: 4,802,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,317.16 : 8,859,800.16 = 3,480,071.16 : x
  2. Step 2: Convert to fraction form
    6,420,317.16/8,859,800.16 = 3,480,071.16/x
  3. Step 3: Cross multiply
    6,420,317.16x = 8,859,800.16 × 3,480,071.16
  4. Step 4: Simplify right side
    6,420,317.16x = 30,832,735,020,179.39
  5. Step 5: Solve for x
    x = 30,832,735,020,179.39/6,420,317.16
  6. Step 6: Final answer
    x = 4,802,369.45

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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.