Finding the Fourth Proportional to 1,509,854, 2,265,130.92 and 512,582
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Solution
The fourth proportional to 1,509,854, 2,265,130.92 and 512,582 is: 768,991.79
Step by Step Solution
- Step 1: Write the proportion equation
1,509,854 : 2,265,130.92 = 512,582 : x - Step 2: Convert to fraction form
1,509,854/2,265,130.92 = 512,582/x - Step 3: Cross multiply
1,509,854x = 2,265,130.92 × 512,582 - Step 4: Simplify right side
1,509,854x = 1,161,065,337,235.44 - Step 5: Solve for x
x = 1,161,065,337,235.44/1,509,854 - Step 6: Final answer
x = 768,991.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.