Finding the Fourth Proportional to 4,543,638.08, 6,270,238.44 and 2,478,697.78
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Solution
The fourth proportional to 4,543,638.08, 6,270,238.44 and 2,478,697.78 is: 3,420,612.70
Step by Step Solution
- Step 1: Write the proportion equation
4,543,638.08 : 6,270,238.44 = 2,478,697.78 : x - Step 2: Convert to fraction form
4,543,638.08/6,270,238.44 = 2,478,697.78/x - Step 3: Cross multiply
4,543,638.08x = 6,270,238.44 × 2,478,697.78 - Step 4: Simplify right side
4,543,638.08x = 15,542,026,101,298.66 - Step 5: Solve for x
x = 15,542,026,101,298.66/4,543,638.08 - Step 6: Final answer
x = 3,420,612.70
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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.