Home / 2,927,830.68-4,039,485.66-1,638,466.20

Finding the Fourth Proportional to 2,927,830.68, 4,039,485.66 and 1,638,466.20

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Solution

The fourth proportional to 2,927,830.68, 4,039,485.66 and 1,638,466.20 is: 2,260,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,830.68 : 4,039,485.66 = 1,638,466.20 : x
  2. Step 2: Convert to fraction form
    2,927,830.68/4,039,485.66 = 1,638,466.20/x
  3. Step 3: Cross multiply
    2,927,830.68x = 4,039,485.66 × 1,638,466.20
  4. Step 4: Simplify right side
    2,927,830.68x = 6,618,560,719,294.69
  5. Step 5: Solve for x
    x = 6,618,560,719,294.69/2,927,830.68
  6. Step 6: Final answer
    x = 2,260,568.13

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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.