Finding the Fourth Proportional to 1,582,702.40, 2,184,130.14 and 857,550.70
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Solution
The fourth proportional to 1,582,702.40, 2,184,130.14 and 857,550.70 is: 1,183,420.41
Step by Step Solution
- Step 1: Write the proportion equation
1,582,702.40 : 2,184,130.14 = 857,550.70 : x - Step 2: Convert to fraction form
1,582,702.40/2,184,130.14 = 857,550.70/x - Step 3: Cross multiply
1,582,702.40x = 2,184,130.14 × 857,550.70 - Step 4: Simplify right side
1,582,702.40x = 1,873,002,324,987.77 - Step 5: Solve for x
x = 1,873,002,324,987.77/1,582,702.40 - Step 6: Final answer
x = 1,183,420.41
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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.