Finding the Fourth Proportional to 6,520,501.18, 8,998,331.88 and 3,580,445.40
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Solution
The fourth proportional to 6,520,501.18, 8,998,331.88 and 3,580,445.40 is: 4,941,036.75
Step by Step Solution
- Step 1: Write the proportion equation
6,520,501.18 : 8,998,331.88 = 3,580,445.40 : x - Step 2: Convert to fraction form
6,520,501.18/8,998,331.88 = 3,580,445.40/x - Step 3: Cross multiply
6,520,501.18x = 8,998,331.88 × 3,580,445.40 - Step 4: Simplify right side
6,520,501.18x = 32,218,035,987,419.36 - Step 5: Solve for x
x = 32,218,035,987,419.36/6,520,501.18 - Step 6: Final answer
x = 4,941,036.75
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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.