Finding the Fourth Proportional to 5,006,712.60, 7,506,750.74 and 1,811,422.98
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Solution
The fourth proportional to 5,006,712.60, 7,506,750.74 and 1,811,422.98 is: 2,715,933.96
Step by Step Solution
- Step 1: Write the proportion equation
5,006,712.60 : 7,506,750.74 = 1,811,422.98 : x - Step 2: Convert to fraction form
5,006,712.60/7,506,750.74 = 1,811,422.98/x - Step 3: Cross multiply
5,006,712.60x = 7,506,750.74 × 1,811,422.98 - Step 4: Simplify right side
5,006,712.60x = 13,597,900,786,510.89 - Step 5: Solve for x
x = 13,597,900,786,510.89/5,006,712.60 - Step 6: Final answer
x = 2,715,933.96
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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.