Home / 1,915,669.98-2,872,672.16-549,142.74

Finding the Fourth Proportional to 1,915,669.98, 2,872,672.16 and 549,142.74

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Solution

The fourth proportional to 1,915,669.98, 2,872,672.16 and 549,142.74 is: 823,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,669.98 : 2,872,672.16 = 549,142.74 : x
  2. Step 2: Convert to fraction form
    1,915,669.98/2,872,672.16 = 549,142.74/x
  3. Step 3: Cross multiply
    1,915,669.98x = 2,872,672.16 × 549,142.74
  4. Step 4: Simplify right side
    1,915,669.98x = 1,577,507,058,318.40
  5. Step 5: Solve for x
    x = 1,577,507,058,318.40/1,915,669.98
  6. Step 6: Final answer
    x = 823,475.38

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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.