Finding the Fourth Proportional to 2,564,862.57, 3,539,614.55 and 1,418,923.17
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Solution
The fourth proportional to 2,564,862.57, 3,539,614.55 and 1,418,923.17 is: 1,958,171.62
Step by Step Solution
- Step 1: Write the proportion equation
2,564,862.57 : 3,539,614.55 = 1,418,923.17 : x - Step 2: Convert to fraction form
2,564,862.57/3,539,614.55 = 1,418,923.17/x - Step 3: Cross multiply
2,564,862.57x = 3,539,614.55 × 1,418,923.17 - Step 4: Simplify right side
2,564,862.57x = 5,022,441,090,769.51 - Step 5: Solve for x
x = 5,022,441,090,769.51/2,564,862.57 - Step 6: Final answer
x = 1,958,171.62
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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.