Home / 2,910,007.56-4,362,297.20-989,606.40

Finding the Fourth Proportional to 2,910,007.56, 4,362,297.20 and 989,606.40

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Solution

The fourth proportional to 2,910,007.56, 4,362,297.20 and 989,606.40 is: 1,483,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,007.56 : 4,362,297.20 = 989,606.40 : x
  2. Step 2: Convert to fraction form
    2,910,007.56/4,362,297.20 = 989,606.40/x
  3. Step 3: Cross multiply
    2,910,007.56x = 4,362,297.20 × 989,606.40
  4. Step 4: Simplify right side
    2,910,007.56x = 4,316,957,227,822.08
  5. Step 5: Solve for x
    x = 4,316,957,227,822.08/2,910,007.56
  6. Step 6: Final answer
    x = 1,483,486.60

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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.