Finding the Fourth Proportional to 1,506,662.18, 2,079,209.08 and 818,340.69
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Solution
The fourth proportional to 1,506,662.18, 2,079,209.08 and 818,340.69 is: 1,129,318.45
Step by Step Solution
- Step 1: Write the proportion equation
1,506,662.18 : 2,079,209.08 = 818,340.69 : x - Step 2: Convert to fraction form
1,506,662.18/2,079,209.08 = 818,340.69/x - Step 3: Cross multiply
1,506,662.18x = 2,079,209.08 × 818,340.69 - Step 4: Simplify right side
1,506,662.18x = 1,701,501,393,181.47 - Step 5: Solve for x
x = 1,701,501,393,181.47/1,506,662.18 - Step 6: Final answer
x = 1,129,318.45
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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.