Finding the Fourth Proportional to 2,116,374.48, 2,920,618.22 and 1,149,523.65
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Solution
The fourth proportional to 2,116,374.48, 2,920,618.22 and 1,149,523.65 is: 1,586,354.28
Step by Step Solution
- Step 1: Write the proportion equation
2,116,374.48 : 2,920,618.22 = 1,149,523.65 : x - Step 2: Convert to fraction form
2,116,374.48/2,920,618.22 = 1,149,523.65/x - Step 3: Cross multiply
2,116,374.48x = 2,920,618.22 × 1,149,523.65 - Step 4: Simplify right side
2,116,374.48x = 3,357,319,710,763.28 - Step 5: Solve for x
x = 3,357,319,710,763.28/2,116,374.48 - Step 6: Final answer
x = 1,586,354.28
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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.