Finding the Fourth Proportional to 2,888,804.40, 3,986,547.60 and 1,599,644.76
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Solution
The fourth proportional to 2,888,804.40, 3,986,547.60 and 1,599,644.76 is: 2,207,508.40
Step by Step Solution
- Step 1: Write the proportion equation
2,888,804.40 : 3,986,547.60 = 1,599,644.76 : x - Step 2: Convert to fraction form
2,888,804.40/3,986,547.60 = 1,599,644.76/x - Step 3: Cross multiply
2,888,804.40x = 3,986,547.60 × 1,599,644.76 - Step 4: Simplify right side
2,888,804.40x = 6,377,059,978,830.58 - Step 5: Solve for x
x = 6,377,059,978,830.58/2,888,804.40 - Step 6: Final answer
x = 2,207,508.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.