Finding the Fourth Proportional to 1,676,295.36, 2,313,336.72 and 912,398.40
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Solution
The fourth proportional to 1,676,295.36, 2,313,336.72 and 912,398.40 is: 1,259,136.53
Step by Step Solution
- Step 1: Write the proportion equation
1,676,295.36 : 2,313,336.72 = 912,398.40 : x - Step 2: Convert to fraction form
1,676,295.36/2,313,336.72 = 912,398.40/x - Step 3: Cross multiply
1,676,295.36x = 2,313,336.72 × 912,398.40 - Step 4: Simplify right side
1,676,295.36x = 2,110,684,721,989.25 - Step 5: Solve for x
x = 2,110,684,721,989.25/1,676,295.36 - Step 6: Final answer
x = 1,259,136.53
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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.