Finding the Fourth Proportional to 4,526,403.55, 6,246,312.32 and 2,489,213.05
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Solution
The fourth proportional to 4,526,403.55, 6,246,312.32 and 2,489,213.05 is: 3,435,045.50
Step by Step Solution
- Step 1: Write the proportion equation
4,526,403.55 : 6,246,312.32 = 2,489,213.05 : x - Step 2: Convert to fraction form
4,526,403.55/6,246,312.32 = 2,489,213.05/x - Step 3: Cross multiply
4,526,403.55x = 6,246,312.32 × 2,489,213.05 - Step 4: Simplify right side
4,526,403.55x = 15,548,402,131,927.03 - Step 5: Solve for x
x = 15,548,402,131,927.03/4,526,403.55 - Step 6: Final answer
x = 3,435,045.50
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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.