Home / 1,915,663.28-2,872,662.08-549,136.02

Finding the Fourth Proportional to 1,915,663.28, 2,872,662.08 and 549,136.02

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Solution

The fourth proportional to 1,915,663.28, 2,872,662.08 and 549,136.02 is: 823,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,663.28 : 2,872,662.08 = 549,136.02 : x
  2. Step 2: Convert to fraction form
    1,915,663.28/2,872,662.08 = 549,136.02/x
  3. Step 3: Cross multiply
    1,915,663.28x = 2,872,662.08 × 549,136.02
  4. Step 4: Simplify right side
    1,915,663.28x = 1,577,482,218,670.44
  5. Step 5: Solve for x
    x = 1,577,482,218,670.44/1,915,663.28
  6. Step 6: Final answer
    x = 823,465.29

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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.