Finding the Fourth Proportional to 2,557,678.18, 3,529,596.20 and 1,411,758.84
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Solution
The fourth proportional to 2,557,678.18, 3,529,596.20 and 1,411,758.84 is: 1,948,227.37
Step by Step Solution
- Step 1: Write the proportion equation
2,557,678.18 : 3,529,596.20 = 1,411,758.84 : x - Step 2: Convert to fraction form
2,557,678.18/3,529,596.20 = 1,411,758.84/x - Step 3: Cross multiply
2,557,678.18x = 3,529,596.20 × 1,411,758.84 - Step 4: Simplify right side
2,557,678.18x = 4,982,938,636,980.41 - Step 5: Solve for x
x = 4,982,938,636,980.41/2,557,678.18 - Step 6: Final answer
x = 1,948,227.37
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1.5x scale
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.