Finding the Fourth Proportional to 5,360,360.97, 8,036,986.86 and 1,948,242.45
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Solution
The fourth proportional to 5,360,360.97, 8,036,986.86 and 1,948,242.45 is: 2,921,071.74
Step by Step Solution
- Step 1: Write the proportion equation
5,360,360.97 : 8,036,986.86 = 1,948,242.45 : x - Step 2: Convert to fraction form
5,360,360.97/8,036,986.86 = 1,948,242.45/x - Step 3: Cross multiply
5,360,360.97x = 8,036,986.86 × 1,948,242.45 - Step 4: Simplify right side
5,360,360.97x = 15,657,998,970,744.21 - Step 5: Solve for x
x = 15,657,998,970,744.21/5,360,360.97 - Step 6: Final answer
x = 2,921,071.74
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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.