Finding the Fourth Proportional to 1,582,261.02, 2,183,530.62 and 857,108.70
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Solution
The fourth proportional to 1,582,261.02, 2,183,530.62 and 857,108.70 is: 1,182,815.65
Step by Step Solution
- Step 1: Write the proportion equation
1,582,261.02 : 2,183,530.62 = 857,108.70 : x - Step 2: Convert to fraction form
1,582,261.02/2,183,530.62 = 857,108.70/x - Step 3: Cross multiply
1,582,261.02x = 2,183,530.62 × 857,108.70 - Step 4: Simplify right side
1,582,261.02x = 1,871,523,091,118.39 - Step 5: Solve for x
x = 1,871,523,091,118.39/1,582,261.02 - Step 6: Final answer
x = 1,182,815.65
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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.