Finding the Fourth Proportional to 5,124,763.62, 7,071,836.76 and 2,948,955.57
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Solution
The fourth proportional to 5,124,763.62, 7,071,836.76 and 2,948,955.57 is: 4,069,364.75
Step by Step Solution
- Step 1: Write the proportion equation
5,124,763.62 : 7,071,836.76 = 2,948,955.57 : x - Step 2: Convert to fraction form
5,124,763.62/7,071,836.76 = 2,948,955.57/x - Step 3: Cross multiply
5,124,763.62x = 7,071,836.76 × 2,948,955.57 - Step 4: Simplify right side
5,124,763.62x = 20,854,532,403,532.75 - Step 5: Solve for x
x = 20,854,532,403,532.75/5,124,763.62 - Step 6: Final answer
x = 4,069,364.75
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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.