Finding the Fourth Proportional to 2,552,947.38, 3,522,963.68 and 1,391,368.97
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Solution
The fourth proportional to 2,552,947.38, 3,522,963.68 and 1,391,368.97 is: 1,920,032.66
Step by Step Solution
- Step 1: Write the proportion equation
2,552,947.38 : 3,522,963.68 = 1,391,368.97 : x - Step 2: Convert to fraction form
2,552,947.38/3,522,963.68 = 1,391,368.97/x - Step 3: Cross multiply
2,552,947.38x = 3,522,963.68 × 1,391,368.97 - Step 4: Simplify right side
2,552,947.38x = 4,901,742,352,894.74 - Step 5: Solve for x
x = 4,901,742,352,894.74/2,552,947.38 - Step 6: Final answer
x = 1,920,032.66
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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.