Finding the Fourth Proportional to 1,585,909.80, 2,378,864.70 and 387,816.53
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Solution
The fourth proportional to 1,585,909.80, 2,378,864.70 and 387,816.53 is: 581,724.79
Step by Step Solution
- Step 1: Write the proportion equation
1,585,909.80 : 2,378,864.70 = 387,816.53 : x - Step 2: Convert to fraction form
1,585,909.80/2,378,864.70 = 387,816.53/x - Step 3: Cross multiply
1,585,909.80x = 2,378,864.70 × 387,816.53 - Step 4: Simplify right side
1,585,909.80x = 922,563,041,399.17 - Step 5: Solve for x
x = 922,563,041,399.17/1,585,909.80 - Step 6: Final answer
x = 581,724.79
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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.