Finding the Fourth Proportional to 1,678,938.62, 2,317,017.41 and 944,124.13
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Solution
The fourth proportional to 1,678,938.62, 2,317,017.41 and 944,124.13 is: 1,302,937.48
Step by Step Solution
- Step 1: Write the proportion equation
1,678,938.62 : 2,317,017.41 = 944,124.13 : x - Step 2: Convert to fraction form
1,678,938.62/2,317,017.41 = 944,124.13/x - Step 3: Cross multiply
1,678,938.62x = 2,317,017.41 × 944,124.13 - Step 4: Simplify right side
1,678,938.62x = 2,187,552,048,127.22 - Step 5: Solve for x
x = 2,187,552,048,127.22/1,678,938.62 - Step 6: Final answer
x = 1,302,937.48
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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.