Finding the Fourth Proportional to 1,880,821.92, 2,596,328.70 and 1,269,802.26
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Solution
The fourth proportional to 1,880,821.92, 2,596,328.70 and 1,269,802.26 is: 1,752,863.48
Step by Step Solution
- Step 1: Write the proportion equation
1,880,821.92 : 2,596,328.70 = 1,269,802.26 : x - Step 2: Convert to fraction form
1,880,821.92/2,596,328.70 = 1,269,802.26/x - Step 3: Cross multiply
1,880,821.92x = 2,596,328.70 × 1,269,802.26 - Step 4: Simplify right side
1,880,821.92x = 3,296,824,050,962.86 - Step 5: Solve for x
x = 3,296,824,050,962.86/1,880,821.92 - Step 6: Final answer
x = 1,752,863.48
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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.