Finding the Fourth Proportional to 1,670,787.14, 2,305,680.44 and 906,840.71
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Solution
The fourth proportional to 1,670,787.14, 2,305,680.44 and 906,840.71 is: 1,251,437.02
Step by Step Solution
- Step 1: Write the proportion equation
1,670,787.14 : 2,305,680.44 = 906,840.71 : x - Step 2: Convert to fraction form
1,670,787.14/2,305,680.44 = 906,840.71/x - Step 3: Cross multiply
1,670,787.14x = 2,305,680.44 × 906,840.71 - Step 4: Simplify right side
1,670,787.14x = 2,090,884,877,981.41 - Step 5: Solve for x
x = 2,090,884,877,981.41/1,670,787.14 - Step 6: Final answer
x = 1,251,437.02
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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.