Finding the Fourth Proportional to 1,688,044.91, 2,532,316.41 and 489,811.46
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Solution
The fourth proportional to 1,688,044.91, 2,532,316.41 and 489,811.46 is: 734,789.45
Step by Step Solution
- Step 1: Write the proportion equation
1,688,044.91 : 2,532,316.41 = 489,811.46 : x - Step 2: Convert to fraction form
1,688,044.91/2,532,316.41 = 489,811.46/x - Step 3: Cross multiply
1,688,044.91x = 2,532,316.41 × 489,811.46 - Step 4: Simplify right side
1,688,044.91x = 1,240,357,585,302.48 - Step 5: Solve for x
x = 1,240,357,585,302.48/1,688,044.91 - Step 6: Final answer
x = 734,789.45
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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.