Finding the Fourth Proportional to 1,509,894.87, 2,083,661.99 and 865,353.16
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Solution
The fourth proportional to 1,509,894.87, 2,083,661.99 and 865,353.16 is: 1,194,191.41
Step by Step Solution
- Step 1: Write the proportion equation
1,509,894.87 : 2,083,661.99 = 865,353.16 : x - Step 2: Convert to fraction form
1,509,894.87/2,083,661.99 = 865,353.16/x - Step 3: Cross multiply
1,509,894.87x = 2,083,661.99 × 865,353.16 - Step 4: Simplify right side
1,509,894.87x = 1,803,103,487,418.39 - Step 5: Solve for x
x = 1,803,103,487,418.39/1,509,894.87 - Step 6: Final answer
x = 1,194,191.41
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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.