Finding the Fourth Proportional to 2,921,428.98, 4,031,780.61 and 1,614,652.90
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Solution
The fourth proportional to 2,921,428.98, 4,031,780.61 and 1,614,652.90 is: 2,228,336.31
Step by Step Solution
- Step 1: Write the proportion equation
2,921,428.98 : 4,031,780.61 = 1,614,652.90 : x - Step 2: Convert to fraction form
2,921,428.98/4,031,780.61 = 1,614,652.90/x - Step 3: Cross multiply
2,921,428.98x = 4,031,780.61 × 1,614,652.90 - Step 4: Simplify right side
2,921,428.98x = 6,509,926,260,143.09 - Step 5: Solve for x
x = 6,509,926,260,143.09/2,921,428.98 - Step 6: Final answer
x = 2,228,336.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.