Finding the Fourth Proportional to 4,619,726.12, 6,927,863.34 and 1,586,230.76
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Solution
The fourth proportional to 4,619,726.12, 6,927,863.34 and 1,586,230.76 is: 2,378,753.55
Step by Step Solution
- Step 1: Write the proportion equation
4,619,726.12 : 6,927,863.34 = 1,586,230.76 : x - Step 2: Convert to fraction form
4,619,726.12/6,927,863.34 = 1,586,230.76/x - Step 3: Cross multiply
4,619,726.12x = 6,927,863.34 × 1,586,230.76 - Step 4: Simplify right side
4,619,726.12x = 10,989,189,930,984.34 - Step 5: Solve for x
x = 10,989,189,930,984.34/4,619,726.12 - Step 6: Final answer
x = 2,378,753.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.