Finding the Fourth Proportional to 4,320,347.16, 6,473,420.10 and 1,478,909.28
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Solution
The fourth proportional to 4,320,347.16, 6,473,420.10 and 1,478,909.28 is: 2,215,933.28
Step by Step Solution
- Step 1: Write the proportion equation
4,320,347.16 : 6,473,420.10 = 1,478,909.28 : x - Step 2: Convert to fraction form
4,320,347.16/6,473,420.10 = 1,478,909.28/x - Step 3: Cross multiply
4,320,347.16x = 6,473,420.10 × 1,478,909.28 - Step 4: Simplify right side
4,320,347.16x = 9,573,601,059,228.53 - Step 5: Solve for x
x = 9,573,601,059,228.53/4,320,347.16 - Step 6: Final answer
x = 2,215,933.28
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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.