Finding the Fourth Proportional to 5,007,084.68, 6,909,778.70 and 2,715,244.76
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Solution
The fourth proportional to 5,007,084.68, 6,909,778.70 and 2,715,244.76 is: 3,747,038.76
Step by Step Solution
- Step 1: Write the proportion equation
5,007,084.68 : 6,909,778.70 = 2,715,244.76 : x - Step 2: Convert to fraction form
5,007,084.68/6,909,778.70 = 2,715,244.76/x - Step 3: Cross multiply
5,007,084.68x = 6,909,778.70 × 2,715,244.76 - Step 4: Simplify right side
5,007,084.68x = 18,761,740,359,809.50 - Step 5: Solve for x
x = 18,761,740,359,809.50/5,007,084.68 - Step 6: Final answer
x = 3,747,038.76
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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.