Finding the Fourth Proportional to 4,526,398.80, 6,246,305.46 and 2,489,208.30
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Solution
The fourth proportional to 4,526,398.80, 6,246,305.46 and 2,489,208.30 is: 3,435,038.78
Step by Step Solution
- Step 1: Write the proportion equation
4,526,398.80 : 6,246,305.46 = 2,489,208.30 : x - Step 2: Convert to fraction form
4,526,398.80/6,246,305.46 = 2,489,208.30/x - Step 3: Cross multiply
4,526,398.80x = 6,246,305.46 × 2,489,208.30 - Step 4: Simplify right side
4,526,398.80x = 15,548,355,395,367.32 - Step 5: Solve for x
x = 15,548,355,395,367.32/4,526,398.80 - Step 6: Final answer
x = 3,435,038.78
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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.