Finding the Fourth Proportional to 1,746,854.49, 2,411,605.41 and 1,225,167.21
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Solution
The fourth proportional to 1,746,854.49, 2,411,605.41 and 1,225,167.21 is: 1,691,394.38
Step by Step Solution
- Step 1: Write the proportion equation
1,746,854.49 : 2,411,605.41 = 1,225,167.21 : x - Step 2: Convert to fraction form
1,746,854.49/2,411,605.41 = 1,225,167.21/x - Step 3: Cross multiply
1,746,854.49x = 2,411,605.41 × 1,225,167.21 - Step 4: Simplify right side
1,746,854.49x = 2,954,619,871,790.61 - Step 5: Solve for x
x = 2,954,619,871,790.61/1,746,854.49 - Step 6: Final answer
x = 1,691,394.38
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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.