Finding the Fourth Proportional to 4,708,979.55, 7,063,469.33 and 4,390,114.95
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Solution
The fourth proportional to 4,708,979.55, 7,063,469.33 and 4,390,114.95 is: 6,585,172.43
Step by Step Solution
- Step 1: Write the proportion equation
4,708,979.55 : 7,063,469.33 = 4,390,114.95 : x - Step 2: Convert to fraction form
4,708,979.55/7,063,469.33 = 4,390,114.95/x - Step 3: Cross multiply
4,708,979.55x = 7,063,469.33 × 4,390,114.95 - Step 4: Simplify right side
4,708,979.55x = 31,009,442,282,548.91 - Step 5: Solve for x
x = 31,009,442,282,548.91/4,708,979.55 - Step 6: Final answer
x = 6,585,172.43
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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.