Finding the Fourth Proportional to 4,320,347.66, 6,473,420.85 and 1,478,909.78
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Solution
The fourth proportional to 4,320,347.66, 6,473,420.85 and 1,478,909.78 is: 2,215,934.03
Step by Step Solution
- Step 1: Write the proportion equation
4,320,347.66 : 6,473,420.85 = 1,478,909.78 : x - Step 2: Convert to fraction form
4,320,347.66/6,473,420.85 = 1,478,909.78/x - Step 3: Cross multiply
4,320,347.66x = 6,473,420.85 × 1,478,909.78 - Step 4: Simplify right side
4,320,347.66x = 9,573,605,405,120.91 - Step 5: Solve for x
x = 9,573,605,405,120.91/4,320,347.66 - Step 6: Final answer
x = 2,215,934.03
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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.