Finding the Fourth Proportional to 1,554,417.84, 2,331,709.92 and 489,542.82
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Solution
The fourth proportional to 1,554,417.84, 2,331,709.92 and 489,542.82 is: 734,340.42
Step by Step Solution
- Step 1: Write the proportion equation
1,554,417.84 : 2,331,709.92 = 489,542.82 : x - Step 2: Convert to fraction form
1,554,417.84/2,331,709.92 = 489,542.82/x - Step 3: Cross multiply
1,554,417.84x = 2,331,709.92 × 489,542.82 - Step 4: Simplify right side
1,554,417.84x = 1,141,471,849,658.77 - Step 5: Solve for x
x = 1,141,471,849,658.77/1,554,417.84 - Step 6: Final answer
x = 734,340.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.