Finding the Fourth Proportional to 1,565,151.10, 2,347,726.65 and 1,210,419.70
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Solution
The fourth proportional to 1,565,151.10, 2,347,726.65 and 1,210,419.70 is: 1,815,629.55
Step by Step Solution
- Step 1: Write the proportion equation
1,565,151.10 : 2,347,726.65 = 1,210,419.70 : x - Step 2: Convert to fraction form
1,565,151.10/2,347,726.65 = 1,210,419.70/x - Step 3: Cross multiply
1,565,151.10x = 2,347,726.65 × 1,210,419.70 - Step 4: Simplify right side
1,565,151.10x = 2,841,734,587,375.01 - Step 5: Solve for x
x = 2,841,734,587,375.01/1,565,151.10 - Step 6: Final answer
x = 1,815,629.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.