Finding the Fourth Proportional to 1,583,907.20, 2,185,807.56 and 858,752.96
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Solution
The fourth proportional to 1,583,907.20, 2,185,807.56 and 858,752.96 is: 1,185,087.56
Step by Step Solution
- Step 1: Write the proportion equation
1,583,907.20 : 2,185,807.56 = 858,752.96 : x - Step 2: Convert to fraction form
1,583,907.20/2,185,807.56 = 858,752.96/x - Step 3: Cross multiply
1,583,907.20x = 2,185,807.56 × 858,752.96 - Step 4: Simplify right side
1,583,907.20x = 1,877,068,712,140.38 - Step 5: Solve for x
x = 1,877,068,712,140.38/1,583,907.20 - Step 6: Final answer
x = 1,185,087.56
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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.