Finding the Fourth Proportional to 1,527,455.81, 2,107,654.68 and 882,751.49
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Solution
The fourth proportional to 1,527,455.81, 2,107,654.68 and 882,751.49 is: 1,218,061.62
Step by Step Solution
- Step 1: Write the proportion equation
1,527,455.81 : 2,107,654.68 = 882,751.49 : x - Step 2: Convert to fraction form
1,527,455.81/2,107,654.68 = 882,751.49/x - Step 3: Cross multiply
1,527,455.81x = 2,107,654.68 × 882,751.49 - Step 4: Simplify right side
1,527,455.81x = 1,860,535,298,637.20 - Step 5: Solve for x
x = 1,860,535,298,637.20/1,527,455.81 - Step 6: Final answer
x = 1,218,061.62
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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.