Finding the Fourth Proportional to 1,657,922.10, 2,488,195.35 and 647,528.10
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Solution
The fourth proportional to 1,657,922.10, 2,488,195.35 and 647,528.10 is: 971,804.65
Step by Step Solution
- Step 1: Write the proportion equation
1,657,922.10 : 2,488,195.35 = 647,528.10 : x - Step 2: Convert to fraction form
1,657,922.10/2,488,195.35 = 647,528.10/x - Step 3: Cross multiply
1,657,922.10x = 2,488,195.35 × 647,528.10 - Step 4: Simplify right side
1,657,922.10x = 1,611,176,407,414.34 - Step 5: Solve for x
x = 1,611,176,407,414.34/1,657,922.10 - Step 6: Final answer
x = 971,804.65
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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.