Finding the Fourth Proportional to 1,368,495.15, 1,888,447.08 and 756,612.24
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Solution
The fourth proportional to 1,368,495.15, 1,888,447.08 and 756,612.24 is: 1,044,082.75
Step by Step Solution
- Step 1: Write the proportion equation
1,368,495.15 : 1,888,447.08 = 756,612.24 : x - Step 2: Convert to fraction form
1,368,495.15/1,888,447.08 = 756,612.24/x - Step 3: Cross multiply
1,368,495.15x = 1,888,447.08 × 756,612.24 - Step 4: Simplify right side
1,368,495.15x = 1,428,822,175,320.26 - Step 5: Solve for x
x = 1,428,822,175,320.26/1,368,495.15 - Step 6: Final answer
x = 1,044,082.75
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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.