Finding the Fourth Proportional to 1,562,451.58, 2,156,244.47 and 917,866.14
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Solution
The fourth proportional to 1,562,451.58, 2,156,244.47 and 917,866.14 is: 1,266,691.28
Step by Step Solution
- Step 1: Write the proportion equation
1,562,451.58 : 2,156,244.47 = 917,866.14 : x - Step 2: Convert to fraction form
1,562,451.58/2,156,244.47 = 917,866.14/x - Step 3: Cross multiply
1,562,451.58x = 2,156,244.47 × 917,866.14 - Step 4: Simplify right side
1,562,451.58x = 1,979,143,788,575.25 - Step 5: Solve for x
x = 1,979,143,788,575.25/1,562,451.58 - Step 6: Final answer
x = 1,266,691.28
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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.