Finding the Fourth Proportional to 2,128,618.20, 3,192,927.30 and 865,795.80
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Solution
The fourth proportional to 2,128,618.20, 3,192,927.30 and 865,795.80 is: 1,298,693.70
Step by Step Solution
- Step 1: Write the proportion equation
2,128,618.20 : 3,192,927.30 = 865,795.80 : x - Step 2: Convert to fraction form
2,128,618.20/3,192,927.30 = 865,795.80/x - Step 3: Cross multiply
2,128,618.20x = 3,192,927.30 × 865,795.80 - Step 4: Simplify right side
2,128,618.20x = 2,764,423,046,045.34 - Step 5: Solve for x
x = 2,764,423,046,045.34/2,128,618.20 - Step 6: Final answer
x = 1,298,693.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.