Finding the Fourth Proportional to 1,939,607.40, 2,676,466.62 and 1,080,247.62
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Solution
The fourth proportional to 1,939,607.40, 2,676,466.62 and 1,080,247.62 is: 1,490,635.01
Step by Step Solution
- Step 1: Write the proportion equation
1,939,607.40 : 2,676,466.62 = 1,080,247.62 : x - Step 2: Convert to fraction form
1,939,607.40/2,676,466.62 = 1,080,247.62/x - Step 3: Cross multiply
1,939,607.40x = 2,676,466.62 × 1,080,247.62 - Step 4: Simplify right side
1,939,607.40x = 2,891,246,696,264.45 - Step 5: Solve for x
x = 2,891,246,696,264.45/1,939,607.40 - Step 6: Final answer
x = 1,490,635.01
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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.