Finding the Fourth Proportional to 1,506,057.99, 2,078,350.65 and 861,488.94
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Solution
The fourth proportional to 1,506,057.99, 2,078,350.65 and 861,488.94 is: 1,188,849.37
Step by Step Solution
- Step 1: Write the proportion equation
1,506,057.99 : 2,078,350.65 = 861,488.94 : x - Step 2: Convert to fraction form
1,506,057.99/2,078,350.65 = 861,488.94/x - Step 3: Cross multiply
1,506,057.99x = 2,078,350.65 × 861,488.94 - Step 4: Simplify right side
1,506,057.99x = 1,790,476,098,416.81 - Step 5: Solve for x
x = 1,790,476,098,416.81/1,506,057.99 - Step 6: Final answer
x = 1,188,849.37
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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.