Finding the Fourth Proportional to 1,663,655.17, 2,295,851.04 and 899,708.74
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Solution
The fourth proportional to 1,663,655.17, 2,295,851.04 and 899,708.74 is: 1,241,601.80
Step by Step Solution
- Step 1: Write the proportion equation
1,663,655.17 : 2,295,851.04 = 899,708.74 : x - Step 2: Convert to fraction form
1,663,655.17/2,295,851.04 = 899,708.74/x - Step 3: Cross multiply
1,663,655.17x = 2,295,851.04 × 899,708.74 - Step 4: Simplify right side
1,663,655.17x = 2,065,597,246,426.09 - Step 5: Solve for x
x = 2,065,597,246,426.09/1,663,655.17 - Step 6: Final answer
x = 1,241,601.80
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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.