Finding the Fourth Proportional to 6,913,501.38, 9,539,207.58 and 3,972,750.48
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Solution
The fourth proportional to 6,913,501.38, 9,539,207.58 and 3,972,750.48 is: 5,481,577.19
Step by Step Solution
- Step 1: Write the proportion equation
6,913,501.38 : 9,539,207.58 = 3,972,750.48 : x - Step 2: Convert to fraction form
6,913,501.38/9,539,207.58 = 3,972,750.48/x - Step 3: Cross multiply
6,913,501.38x = 9,539,207.58 × 3,972,750.48 - Step 4: Simplify right side
6,913,501.38x = 37,896,891,492,264.64 - Step 5: Solve for x
x = 37,896,891,492,264.64/6,913,501.38 - Step 6: Final answer
x = 5,481,577.19
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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.