Finding the Fourth Proportional to 1,521,586.16, 2,099,763.24 and 842,508.08
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Solution
The fourth proportional to 1,521,586.16, 2,099,763.24 and 842,508.08 is: 1,162,646.94
Step by Step Solution
- Step 1: Write the proportion equation
1,521,586.16 : 2,099,763.24 = 842,508.08 : x - Step 2: Convert to fraction form
1,521,586.16/2,099,763.24 = 842,508.08/x - Step 3: Cross multiply
1,521,586.16x = 2,099,763.24 × 842,508.08 - Step 4: Simplify right side
1,521,586.16x = 1,769,067,495,786.98 - Step 5: Solve for x
x = 1,769,067,495,786.98/1,521,586.16 - Step 6: Final answer
x = 1,162,646.94
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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.