Finding the Fourth Proportional to 1,506,707.67, 2,079,271.85 and 818,392.99
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Solution
The fourth proportional to 1,506,707.67, 2,079,271.85 and 818,392.99 is: 1,129,390.62
Step by Step Solution
- Step 1: Write the proportion equation
1,506,707.67 : 2,079,271.85 = 818,392.99 : x - Step 2: Convert to fraction form
1,506,707.67/2,079,271.85 = 818,392.99/x - Step 3: Cross multiply
1,506,707.67x = 2,079,271.85 × 818,392.99 - Step 4: Simplify right side
1,506,707.67x = 1,701,661,506,344.33 - Step 5: Solve for x
x = 1,701,661,506,344.33/1,506,707.67 - Step 6: Final answer
x = 1,129,390.62
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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.