Finding the Fourth Proportional to 1,679,748.13, 2,317,952.55 and 954,495.19
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Solution
The fourth proportional to 1,679,748.13, 2,317,952.55 and 954,495.19 is: 1,317,146.61
Step by Step Solution
- Step 1: Write the proportion equation
1,679,748.13 : 2,317,952.55 = 954,495.19 : x - Step 2: Convert to fraction form
1,679,748.13/2,317,952.55 = 954,495.19/x - Step 3: Cross multiply
1,679,748.13x = 2,317,952.55 × 954,495.19 - Step 4: Simplify right side
1,679,748.13x = 2,212,474,560,731.00 - Step 5: Solve for x
x = 2,212,474,560,731.00/1,679,748.13 - Step 6: Final answer
x = 1,317,146.61
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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.