Finding the Fourth Proportional to 4,984,994.93, 7,474,497.77 and 1,948,744.55
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Solution
The fourth proportional to 4,984,994.93, 7,474,497.77 and 1,948,744.55 is: 2,921,946.17
Step by Step Solution
- Step 1: Write the proportion equation
4,984,994.93 : 7,474,497.77 = 1,948,744.55 : x - Step 2: Convert to fraction form
4,984,994.93/7,474,497.77 = 1,948,744.55/x - Step 3: Cross multiply
4,984,994.93x = 7,474,497.77 × 1,948,744.55 - Step 4: Simplify right side
4,984,994.93x = 14,565,886,816,832.76 - Step 5: Solve for x
x = 14,565,886,816,832.76/4,984,994.93 - Step 6: Final answer
x = 2,921,946.17
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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.