Finding the Fourth Proportional to 1,582,702.77, 2,184,126.72 and 857,570.12
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Solution
The fourth proportional to 1,582,702.77, 2,184,126.72 and 857,570.12 is: 1,183,445.08
Step by Step Solution
- Step 1: Write the proportion equation
1,582,702.77 : 2,184,126.72 = 857,570.12 : x - Step 2: Convert to fraction form
1,582,702.77/2,184,126.72 = 857,570.12/x - Step 3: Cross multiply
1,582,702.77x = 2,184,126.72 × 857,570.12 - Step 4: Simplify right side
1,582,702.77x = 1,873,041,802,444.97 - Step 5: Solve for x
x = 1,873,041,802,444.97/1,582,702.77 - Step 6: Final answer
x = 1,183,445.08
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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.