Finding the Fourth Proportional to 1,506,684.65, 2,079,239.92 and 818,369.91
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Solution
The fourth proportional to 1,506,684.65, 2,079,239.92 and 818,369.91 is: 1,129,358.68
Step by Step Solution
- Step 1: Write the proportion equation
1,506,684.65 : 2,079,239.92 = 818,369.91 : x - Step 2: Convert to fraction form
1,506,684.65/2,079,239.92 = 818,369.91/x - Step 3: Cross multiply
1,506,684.65x = 2,079,239.92 × 818,369.91 - Step 4: Simplify right side
1,506,684.65x = 1,701,587,384,152.88 - Step 5: Solve for x
x = 1,701,587,384,152.88/1,506,684.65 - Step 6: Final answer
x = 1,129,358.68
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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.