Finding the Fourth Proportional to 5,117,267.02, 7,675,869.54 and 1,279,070.18
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Solution
The fourth proportional to 5,117,267.02, 7,675,869.54 and 1,279,070.18 is: 1,918,597.52
Step by Step Solution
- Step 1: Write the proportion equation
5,117,267.02 : 7,675,869.54 = 1,279,070.18 : x - Step 2: Convert to fraction form
5,117,267.02/7,675,869.54 = 1,279,070.18/x - Step 3: Cross multiply
5,117,267.02x = 7,675,869.54 × 1,279,070.18 - Step 4: Simplify right side
5,117,267.02x = 9,817,975,795,804.97 - Step 5: Solve for x
x = 9,817,975,795,804.97/5,117,267.02 - Step 6: Final answer
x = 1,918,597.52
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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.