Home / 3,672,980-5,506,314.59-1,276,513.28

Finding the Fourth Proportional to 3,672,980, 5,506,314.59 and 1,276,513.28

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Solution

The fourth proportional to 3,672,980, 5,506,314.59 and 1,276,513.28 is: 1,913,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,980 : 5,506,314.59 = 1,276,513.28 : x
  2. Step 2: Convert to fraction form
    3,672,980/5,506,314.59 = 1,276,513.28/x
  3. Step 3: Cross multiply
    3,672,980x = 5,506,314.59 × 1,276,513.28
  4. Step 4: Simplify right side
    3,672,980x = 7,028,883,697,992.76
  5. Step 5: Solve for x
    x = 7,028,883,697,992.76/3,672,980
  6. Step 6: Final answer
    x = 1,913,673.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.