Finding the Fourth Proportional to 3,840,678.18, 5,762,566.40 and 1,709,304.53
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Solution
The fourth proportional to 3,840,678.18, 5,762,566.40 and 1,709,304.53 is: 2,564,646.23
Step by Step Solution
- Step 1: Write the proportion equation
3,840,678.18 : 5,762,566.40 = 1,709,304.53 : x - Step 2: Convert to fraction form
3,840,678.18/5,762,566.40 = 1,709,304.53/x - Step 3: Cross multiply
3,840,678.18x = 5,762,566.40 × 1,709,304.53 - Step 4: Simplify right side
3,840,678.18x = 9,849,980,814,586.44 - Step 5: Solve for x
x = 9,849,980,814,586.44/3,840,678.18 - Step 6: Final answer
x = 2,564,646.23
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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.