Finding the Fourth Proportional to 2,119,726.58, 2,925,236.43 and 1,152,863.87
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Solution
The fourth proportional to 2,119,726.58, 2,925,236.43 and 1,152,863.87 is: 1,590,959.62
Step by Step Solution
- Step 1: Write the proportion equation
2,119,726.58 : 2,925,236.43 = 1,152,863.87 : x - Step 2: Convert to fraction form
2,119,726.58/2,925,236.43 = 1,152,863.87/x - Step 3: Cross multiply
2,119,726.58x = 2,925,236.43 × 1,152,863.87 - Step 4: Simplify right side
2,119,726.58x = 3,372,399,376,728.60 - Step 5: Solve for x
x = 3,372,399,376,728.60/2,119,726.58 - Step 6: Final answer
x = 1,590,959.62
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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.