Finding the Fourth Proportional to 1,506,828.18, 2,079,412.98 and 818,493.78
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Solution
The fourth proportional to 1,506,828.18, 2,079,412.98 and 818,493.78 is: 1,129,516.03
Step by Step Solution
- Step 1: Write the proportion equation
1,506,828.18 : 2,079,412.98 = 818,493.78 : x - Step 2: Convert to fraction form
1,506,828.18/2,079,412.98 = 818,493.78/x - Step 3: Cross multiply
1,506,828.18x = 2,079,412.98 × 818,493.78 - Step 4: Simplify right side
1,506,828.18x = 1,701,986,590,181.26 - Step 5: Solve for x
x = 1,701,986,590,181.26/1,506,828.18 - Step 6: Final answer
x = 1,129,516.03
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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.