Finding the Fourth Proportional to 1,427,122.70, 2,138,869.65 and 584,722.70
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Solution
The fourth proportional to 1,427,122.70, 2,138,869.65 and 584,722.70 is: 876,340.65
Step by Step Solution
- Step 1: Write the proportion equation
1,427,122.70 : 2,138,869.65 = 584,722.70 : x - Step 2: Convert to fraction form
1,427,122.70/2,138,869.65 = 584,722.70/x - Step 3: Cross multiply
1,427,122.70x = 2,138,869.65 × 584,722.70 - Step 4: Simplify right side
1,427,122.70x = 1,250,645,636,696.06 - Step 5: Solve for x
x = 1,250,645,636,696.06/1,427,122.70 - Step 6: Final answer
x = 876,340.65
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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.