Finding the Fourth Proportional to 4,420,689.60, 6,631,034.40 and 1,580,629.53
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Solution
The fourth proportional to 4,420,689.60, 6,631,034.40 and 1,580,629.53 is: 2,370,944.30
Step by Step Solution
- Step 1: Write the proportion equation
4,420,689.60 : 6,631,034.40 = 1,580,629.53 : x - Step 2: Convert to fraction form
4,420,689.60/6,631,034.40 = 1,580,629.53/x - Step 3: Cross multiply
4,420,689.60x = 6,631,034.40 × 1,580,629.53 - Step 4: Simplify right side
4,420,689.60x = 10,481,208,787,085.83 - Step 5: Solve for x
x = 10,481,208,787,085.83/4,420,689.60 - Step 6: Final answer
x = 2,370,944.30
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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.