Finding the Fourth Proportional to 1,775,339.94, 2,663,029.36 and 513,178.50
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Solution
The fourth proportional to 1,775,339.94, 2,663,029.36 and 513,178.50 is: 769,773.37
Step by Step Solution
- Step 1: Write the proportion equation
1,775,339.94 : 2,663,029.36 = 513,178.50 : x - Step 2: Convert to fraction form
1,775,339.94/2,663,029.36 = 513,178.50/x - Step 3: Cross multiply
1,775,339.94x = 2,663,029.36 × 513,178.50 - Step 4: Simplify right side
1,775,339.94x = 1,366,609,412,420.76 - Step 5: Solve for x
x = 1,366,609,412,420.76/1,775,339.94 - Step 6: Final answer
x = 769,773.37
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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.