Finding the Fourth Proportional to 1,542,337.74, 2,128,123.61 and 969,045.75
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Solution
The fourth proportional to 1,542,337.74, 2,128,123.61 and 969,045.75 is: 1,337,093.09
Step by Step Solution
- Step 1: Write the proportion equation
1,542,337.74 : 2,128,123.61 = 969,045.75 : x - Step 2: Convert to fraction form
1,542,337.74/2,128,123.61 = 969,045.75/x - Step 3: Cross multiply
1,542,337.74x = 2,128,123.61 × 969,045.75 - Step 4: Simplify right side
1,542,337.74x = 2,062,249,142,167.77 - Step 5: Solve for x
x = 2,062,249,142,167.77/1,542,337.74 - Step 6: Final answer
x = 1,337,093.09
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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.