Finding the Fourth Proportional to 2,257,867.62, 3,115,406.57 and 1,374,224.90
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Solution
The fourth proportional to 2,257,867.62, 3,115,406.57 and 1,374,224.90 is: 1,896,156.02
Step by Step Solution
- Step 1: Write the proportion equation
2,257,867.62 : 3,115,406.57 = 1,374,224.90 : x - Step 2: Convert to fraction form
2,257,867.62/3,115,406.57 = 1,374,224.90/x - Step 3: Cross multiply
2,257,867.62x = 3,115,406.57 × 1,374,224.90 - Step 4: Simplify right side
2,257,867.62x = 4,281,269,282,117.59 - Step 5: Solve for x
x = 4,281,269,282,117.59/2,257,867.62 - Step 6: Final answer
x = 1,896,156.02
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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.