Finding the Fourth Proportional to 5,407,360.40, 7,462,146.49 and 2,959,972.13
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Solution
The fourth proportional to 5,407,360.40, 7,462,146.49 and 2,959,972.13 is: 4,084,755.59
Step by Step Solution
- Step 1: Write the proportion equation
5,407,360.40 : 7,462,146.49 = 2,959,972.13 : x - Step 2: Convert to fraction form
5,407,360.40/7,462,146.49 = 2,959,972.13/x - Step 3: Cross multiply
5,407,360.40x = 7,462,146.49 × 2,959,972.13 - Step 4: Simplify right side
5,407,360.40x = 22,087,745,595,666.66 - Step 5: Solve for x
x = 22,087,745,595,666.66/5,407,360.40 - Step 6: Final answer
x = 4,084,755.59
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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.