Finding the Fourth Proportional to 1,547,562.84, 2,135,703.41 and 859,234.72
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Solution
The fourth proportional to 1,547,562.84, 2,135,703.41 and 859,234.72 is: 1,185,780.94
Step by Step Solution
- Step 1: Write the proportion equation
1,547,562.84 : 2,135,703.41 = 859,234.72 : x - Step 2: Convert to fraction form
1,547,562.84/2,135,703.41 = 859,234.72/x - Step 3: Cross multiply
1,547,562.84x = 2,135,703.41 × 859,234.72 - Step 4: Simplify right side
1,547,562.84x = 1,835,070,517,198.22 - Step 5: Solve for x
x = 1,835,070,517,198.22/1,547,562.84 - Step 6: Final answer
x = 1,185,780.94
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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.