Finding the Fourth Proportional to 6,941,445.18, 9,572,464.71 and 5,412,994.62
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Solution
The fourth proportional to 6,941,445.18, 9,572,464.71 and 5,412,994.62 is: 7,464,684.75
Step by Step Solution
- Step 1: Write the proportion equation
6,941,445.18 : 9,572,464.71 = 5,412,994.62 : x - Step 2: Convert to fraction form
6,941,445.18/9,572,464.71 = 5,412,994.62/x - Step 3: Cross multiply
6,941,445.18x = 9,572,464.71 × 5,412,994.62 - Step 4: Simplify right side
6,941,445.18x = 51,815,699,975,369.87 - Step 5: Solve for x
x = 51,815,699,975,369.87/6,941,445.18 - Step 6: Final answer
x = 7,464,684.75
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1.5x scale
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.