Finding the Fourth Proportional to 1,506,741.17, 2,079,318.50 and 818,426.43
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Solution
The fourth proportional to 1,506,741.17, 2,079,318.50 and 818,426.43 is: 1,129,436.99
Step by Step Solution
- Step 1: Write the proportion equation
1,506,741.17 : 2,079,318.50 = 818,426.43 : x - Step 2: Convert to fraction form
1,506,741.17/2,079,318.50 = 818,426.43/x - Step 3: Cross multiply
1,506,741.17x = 2,079,318.50 × 818,426.43 - Step 4: Simplify right side
1,506,741.17x = 1,701,769,215,764.92 - Step 5: Solve for x
x = 1,701,769,215,764.92/1,506,741.17 - Step 6: Final answer
x = 1,129,436.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.