Finding the Fourth Proportional to 1,674,863.42, 2,311,305.10 and 910,929.74
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Solution
The fourth proportional to 1,674,863.42, 2,311,305.10 and 910,929.74 is: 1,257,079.55
Step by Step Solution
- Step 1: Write the proportion equation
1,674,863.42 : 2,311,305.10 = 910,929.74 : x - Step 2: Convert to fraction form
1,674,863.42/2,311,305.10 = 910,929.74/x - Step 3: Cross multiply
1,674,863.42x = 2,311,305.10 × 910,929.74 - Step 4: Simplify right side
1,674,863.42x = 2,105,436,539,969.82 - Step 5: Solve for x
x = 2,105,436,539,969.82/1,674,863.42 - Step 6: Final answer
x = 1,257,079.55
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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.