Finding the Fourth Proportional to 1,767,511.98, 2,439,236.97 and 1,003,636.62
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Solution
The fourth proportional to 1,767,511.98, 2,439,236.97 and 1,003,636.62 is: 1,385,058.53
Step by Step Solution
- Step 1: Write the proportion equation
1,767,511.98 : 2,439,236.97 = 1,003,636.62 : x - Step 2: Convert to fraction form
1,767,511.98/2,439,236.97 = 1,003,636.62/x - Step 3: Cross multiply
1,767,511.98x = 2,439,236.97 × 1,003,636.62 - Step 4: Simplify right side
1,767,511.98x = 2,448,107,547,949.84 - Step 5: Solve for x
x = 2,448,107,547,949.84/1,767,511.98 - Step 6: Final answer
x = 1,385,058.53
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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.