Finding the Fourth Proportional to 1,523,685.87, 2,102,703.57 and 870,398.37
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Solution
The fourth proportional to 1,523,685.87, 2,102,703.57 and 870,398.37 is: 1,201,159.50
Step by Step Solution
- Step 1: Write the proportion equation
1,523,685.87 : 2,102,703.57 = 870,398.37 : x - Step 2: Convert to fraction form
1,523,685.87/2,102,703.57 = 870,398.37/x - Step 3: Cross multiply
1,523,685.87x = 2,102,703.57 × 870,398.37 - Step 4: Simplify right side
1,523,685.87x = 1,830,189,759,921.18 - Step 5: Solve for x
x = 1,830,189,759,921.18/1,523,685.87 - Step 6: Final answer
x = 1,201,159.50
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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.