Finding the Fourth Proportional to 1,331,641.77, 1,836,430.42 and 847,702.41
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Solution
The fourth proportional to 1,331,641.77, 1,836,430.42 and 847,702.41 is: 1,169,043.00
Step by Step Solution
- Step 1: Write the proportion equation
1,331,641.77 : 1,836,430.42 = 847,702.41 : x - Step 2: Convert to fraction form
1,331,641.77/1,836,430.42 = 847,702.41/x - Step 3: Cross multiply
1,331,641.77x = 1,836,430.42 × 847,702.41 - Step 4: Simplify right side
1,331,641.77x = 1,556,746,492,831.31 - Step 5: Solve for x
x = 1,556,746,492,831.31/1,331,641.77 - Step 6: Final answer
x = 1,169,043.00
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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.