Finding the Fourth Proportional to 1,449,655.11, 2,000,469.19 and 805,116.81
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Solution
The fourth proportional to 1,449,655.11, 2,000,469.19 and 805,116.81 is: 1,111,030.73
Step by Step Solution
- Step 1: Write the proportion equation
1,449,655.11 : 2,000,469.19 = 805,116.81 : x - Step 2: Convert to fraction form
1,449,655.11/2,000,469.19 = 805,116.81/x - Step 3: Cross multiply
1,449,655.11x = 2,000,469.19 × 805,116.81 - Step 4: Simplify right side
1,449,655.11x = 1,610,611,372,756.08 - Step 5: Solve for x
x = 1,610,611,372,756.08/1,449,655.11 - Step 6: Final answer
x = 1,111,030.73
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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.