Finding the Fourth Proportional to 4,986,308.18, 7,479,686.30 and 1,527,794.49
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Solution
The fourth proportional to 4,986,308.18, 7,479,686.30 and 1,527,794.49 is: 2,291,760.38
Step by Step Solution
- Step 1: Write the proportion equation
4,986,308.18 : 7,479,686.30 = 1,527,794.49 : x - Step 2: Convert to fraction form
4,986,308.18/7,479,686.30 = 1,527,794.49/x - Step 3: Cross multiply
4,986,308.18x = 7,479,686.30 × 1,527,794.49 - Step 4: Simplify right side
4,986,308.18x = 11,427,423,516,068.49 - Step 5: Solve for x
x = 11,427,423,516,068.49/4,986,308.18 - Step 6: Final answer
x = 2,291,760.38
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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.