Finding the Fourth Proportional to 2,116,368.10, 2,920,596.35 and 1,149,514.54
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Solution
The fourth proportional to 2,116,368.10, 2,920,596.35 and 1,149,514.54 is: 1,586,334.61
Step by Step Solution
- Step 1: Write the proportion equation
2,116,368.10 : 2,920,596.35 = 1,149,514.54 : x - Step 2: Convert to fraction form
2,116,368.10/2,920,596.35 = 1,149,514.54/x - Step 3: Cross multiply
2,116,368.10x = 2,920,596.35 × 1,149,514.54 - Step 4: Simplify right side
2,116,368.10x = 3,357,267,956,746.87 - Step 5: Solve for x
x = 3,357,267,956,746.87/2,116,368.10 - Step 6: Final answer
x = 1,586,334.61
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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.