Home / 5,211,428-7,190,930.64-3,276,317.60

Finding the Fourth Proportional to 5,211,428, 7,190,930.64 and 3,276,317.60

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Solution

The fourth proportional to 5,211,428, 7,190,930.64 and 3,276,317.60 is: 4,520,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,428 : 7,190,930.64 = 3,276,317.60 : x
  2. Step 2: Convert to fraction form
    5,211,428/7,190,930.64 = 3,276,317.60/x
  3. Step 3: Cross multiply
    5,211,428x = 7,190,930.64 × 3,276,317.60
  4. Step 4: Simplify right side
    5,211,428x = 23,559,772,616,211.26
  5. Step 5: Solve for x
    x = 23,559,772,616,211.26/5,211,428
  6. Step 6: Final answer
    x = 4,520,790.20

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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.