Finding the Fourth Proportional to 1,715,075.19, 2,366,787.65 and 940,690.17
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Solution
The fourth proportional to 1,715,075.19, 2,366,787.65 and 940,690.17 is: 1,298,143.59
Step by Step Solution
- Step 1: Write the proportion equation
1,715,075.19 : 2,366,787.65 = 940,690.17 : x - Step 2: Convert to fraction form
1,715,075.19/2,366,787.65 = 940,690.17/x - Step 3: Cross multiply
1,715,075.19x = 2,366,787.65 × 940,690.17 - Step 4: Simplify right side
1,715,075.19x = 2,226,413,872,128.95 - Step 5: Solve for x
x = 2,226,413,872,128.95/1,715,075.19 - Step 6: Final answer
x = 1,298,143.59
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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.