Finding the Fourth Proportional to 1,577,612.20, 2,363,696.70 and 734,434.60
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Solution
The fourth proportional to 1,577,612.20, 2,363,696.70 and 734,434.60 is: 1,100,384.90
Step by Step Solution
- Step 1: Write the proportion equation
1,577,612.20 : 2,363,696.70 = 734,434.60 : x - Step 2: Convert to fraction form
1,577,612.20/2,363,696.70 = 734,434.60/x - Step 3: Cross multiply
1,577,612.20x = 2,363,696.70 × 734,434.60 - Step 4: Simplify right side
1,577,612.20x = 1,735,980,640,385.82 - Step 5: Solve for x
x = 1,735,980,640,385.82/1,577,612.20 - Step 6: Final answer
x = 1,100,384.90
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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.