Finding the Fourth Proportional to 2,288,291.52, 3,157,491.60 and 1,370,305.68
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Solution
The fourth proportional to 2,288,291.52, 3,157,491.60 and 1,370,305.68 is: 1,890,811.83
Step by Step Solution
- Step 1: Write the proportion equation
2,288,291.52 : 3,157,491.60 = 1,370,305.68 : x - Step 2: Convert to fraction form
2,288,291.52/3,157,491.60 = 1,370,305.68/x - Step 3: Cross multiply
2,288,291.52x = 3,157,491.60 × 1,370,305.68 - Step 4: Simplify right side
2,288,291.52x = 4,326,728,674,032.29 - Step 5: Solve for x
x = 4,326,728,674,032.29/2,288,291.52 - Step 6: Final answer
x = 1,890,811.83
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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.