Finding the Fourth Proportional to 4,754,243.88, 6,560,817.75 and 2,578,781.52
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Solution
The fourth proportional to 4,754,243.88, 6,560,817.75 and 2,578,781.52 is: 3,558,697.45
Step by Step Solution
- Step 1: Write the proportion equation
4,754,243.88 : 6,560,817.75 = 2,578,781.52 : x - Step 2: Convert to fraction form
4,754,243.88/6,560,817.75 = 2,578,781.52/x - Step 3: Cross multiply
4,754,243.88x = 6,560,817.75 × 2,578,781.52 - Step 4: Simplify right side
4,754,243.88x = 16,918,915,569,787.98 - Step 5: Solve for x
x = 16,918,915,569,787.98/4,754,243.88 - Step 6: Final answer
x = 3,558,697.45
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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.