Finding the Fourth Proportional to 4,991,449.07, 7,487,173.61 and 1,625,656.07
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Solution
The fourth proportional to 4,991,449.07, 7,487,173.61 and 1,625,656.07 is: 2,438,484.10
Step by Step Solution
- Step 1: Write the proportion equation
4,991,449.07 : 7,487,173.61 = 1,625,656.07 : x - Step 2: Convert to fraction form
4,991,449.07/7,487,173.61 = 1,625,656.07/x - Step 3: Cross multiply
4,991,449.07x = 7,487,173.61 × 1,625,656.07 - Step 4: Simplify right side
4,991,449.07x = 12,171,569,180,676.16 - Step 5: Solve for x
x = 12,171,569,180,676.16/4,991,449.07 - Step 6: Final answer
x = 2,438,484.10
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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.