Finding the Fourth Proportional to 1,853,135.28, 2,780,267.40 and 906,368.40
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Solution
The fourth proportional to 1,853,135.28, 2,780,267.40 and 906,368.40 is: 1,359,828.69
Step by Step Solution
- Step 1: Write the proportion equation
1,853,135.28 : 2,780,267.40 = 906,368.40 : x - Step 2: Convert to fraction form
1,853,135.28/2,780,267.40 = 906,368.40/x - Step 3: Cross multiply
1,853,135.28x = 2,780,267.40 × 906,368.40 - Step 4: Simplify right side
1,853,135.28x = 2,519,946,514,910.16 - Step 5: Solve for x
x = 2,519,946,514,910.16/1,853,135.28 - Step 6: Final answer
x = 1,359,828.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.