Finding the Fourth Proportional to 3,612,292.95, 4,986,553.76 and 2,528,817.60
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Solution
The fourth proportional to 3,612,292.95, 4,986,553.76 and 2,528,817.60 is: 3,490,881.02
Step by Step Solution
- Step 1: Write the proportion equation
3,612,292.95 : 4,986,553.76 = 2,528,817.60 : x - Step 2: Convert to fraction form
3,612,292.95/4,986,553.76 = 2,528,817.60/x - Step 3: Cross multiply
3,612,292.95x = 4,986,553.76 × 2,528,817.60 - Step 4: Simplify right side
3,612,292.95x = 12,610,084,911,634.18 - Step 5: Solve for x
x = 12,610,084,911,634.18/3,612,292.95 - Step 6: Final answer
x = 3,490,881.02
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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.