Finding the Fourth Proportional to 2,897,148.24, 3,998,034.36 and 1,607,999.76
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Solution
The fourth proportional to 2,897,148.24, 3,998,034.36 and 1,607,999.76 is: 2,219,022.90
Step by Step Solution
- Step 1: Write the proportion equation
2,897,148.24 : 3,998,034.36 = 1,607,999.76 : x - Step 2: Convert to fraction form
2,897,148.24/3,998,034.36 = 1,607,999.76/x - Step 3: Cross multiply
2,897,148.24x = 3,998,034.36 × 1,607,999.76 - Step 4: Simplify right side
2,897,148.24x = 6,428,838,291,351.75 - Step 5: Solve for x
x = 6,428,838,291,351.75/2,897,148.24 - Step 6: Final answer
x = 2,219,022.90
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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.