Finding the Fourth Proportional to 2,144,242.15, 2,959,054.19 and 1,177,372.45
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Solution
The fourth proportional to 2,144,242.15, 2,959,054.19 and 1,177,372.45 is: 1,624,773.99
Step by Step Solution
- Step 1: Write the proportion equation
2,144,242.15 : 2,959,054.19 = 1,177,372.45 : x - Step 2: Convert to fraction form
2,144,242.15/2,959,054.19 = 1,177,372.45/x - Step 3: Cross multiply
2,144,242.15x = 2,959,054.19 × 1,177,372.45 - Step 4: Simplify right side
2,144,242.15x = 3,483,908,868,078.57 - Step 5: Solve for x
x = 3,483,908,868,078.57/2,144,242.15 - Step 6: Final answer
x = 1,624,773.99
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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.