Finding the Fourth Proportional to 1,400,576.52, 2,100,689.70 and 389,774.28
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Solution
The fourth proportional to 1,400,576.52, 2,100,689.70 and 389,774.28 is: 584,612.70
Step by Step Solution
- Step 1: Write the proportion equation
1,400,576.52 : 2,100,689.70 = 389,774.28 : x - Step 2: Convert to fraction form
1,400,576.52/2,100,689.70 = 389,774.28/x - Step 3: Cross multiply
1,400,576.52x = 2,100,689.70 × 389,774.28 - Step 4: Simplify right side
1,400,576.52x = 818,794,815,320.92 - Step 5: Solve for x
x = 818,794,815,320.92/1,400,576.52 - Step 6: Final answer
x = 584,612.70
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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.