Finding the Fourth Proportional to 4,884,393.18, 7,326,939.68 and 1,290,124.29
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Solution
The fourth proportional to 4,884,393.18, 7,326,939.68 and 1,290,124.29 is: 1,935,278.86
Step by Step Solution
- Step 1: Write the proportion equation
4,884,393.18 : 7,326,939.68 = 1,290,124.29 : x - Step 2: Convert to fraction form
4,884,393.18/7,326,939.68 = 1,290,124.29/x - Step 3: Cross multiply
4,884,393.18x = 7,326,939.68 × 1,290,124.29 - Step 4: Simplify right side
4,884,393.18x = 9,452,662,852,532.83 - Step 5: Solve for x
x = 9,452,662,852,532.83/4,884,393.18 - Step 6: Final answer
x = 1,935,278.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.