Finding the Fourth Proportional to 7,417,549.20, 11,121,010.20 and 2,864,701.20
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Solution
The fourth proportional to 7,417,549.20, 11,121,010.20 and 2,864,701.20 is: 4,294,999.66
Step by Step Solution
- Step 1: Write the proportion equation
7,417,549.20 : 11,121,010.20 = 2,864,701.20 : x - Step 2: Convert to fraction form
7,417,549.20/11,121,010.20 = 2,864,701.20/x - Step 3: Cross multiply
7,417,549.20x = 11,121,010.20 × 2,864,701.20 - Step 4: Simplify right side
7,417,549.20x = 31,858,371,265,152.24 - Step 5: Solve for x
x = 31,858,371,265,152.24/7,417,549.20 - Step 6: Final answer
x = 4,294,999.66
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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.