Finding the Fourth Proportional to 5,169,723.06, 7,754,876.18 and 1,575,607.26
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Solution
The fourth proportional to 5,169,723.06, 7,754,876.18 and 1,575,607.26 is: 2,363,499.76
Step by Step Solution
- Step 1: Write the proportion equation
5,169,723.06 : 7,754,876.18 = 1,575,607.26 : x - Step 2: Convert to fraction form
5,169,723.06/7,754,876.18 = 1,575,607.26/x - Step 3: Cross multiply
5,169,723.06x = 7,754,876.18 × 1,575,607.26 - Step 4: Simplify right side
5,169,723.06x = 12,218,639,213,548.09 - Step 5: Solve for x
x = 12,218,639,213,548.09/5,169,723.06 - Step 6: Final answer
x = 2,363,499.76
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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.