Finding the Fourth Proportional to 1,514,133.18, 2,089,629.39 and 869,677.74
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Solution
The fourth proportional to 1,514,133.18, 2,089,629.39 and 869,677.74 is: 1,200,227.42
Step by Step Solution
- Step 1: Write the proportion equation
1,514,133.18 : 2,089,629.39 = 869,677.74 : x - Step 2: Convert to fraction form
1,514,133.18/2,089,629.39 = 869,677.74/x - Step 3: Cross multiply
1,514,133.18x = 2,089,629.39 × 869,677.74 - Step 4: Simplify right side
1,514,133.18x = 1,817,304,165,332.78 - Step 5: Solve for x
x = 1,817,304,165,332.78/1,514,133.18 - Step 6: Final answer
x = 1,200,227.42
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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.