Finding the Fourth Proportional to 1,554,423.30, 2,331,718.18 and 489,548.30
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Solution
The fourth proportional to 1,554,423.30, 2,331,718.18 and 489,548.30 is: 734,348.66
Step by Step Solution
- Step 1: Write the proportion equation
1,554,423.30 : 2,331,718.18 = 489,548.30 : x - Step 2: Convert to fraction form
1,554,423.30/2,331,718.18 = 489,548.30/x - Step 3: Cross multiply
1,554,423.30x = 2,331,718.18 × 489,548.30 - Step 4: Simplify right side
1,554,423.30x = 1,141,488,671,098.09 - Step 5: Solve for x
x = 1,141,488,671,098.09/1,554,423.30 - Step 6: Final answer
x = 734,348.66
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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.