Finding the Fourth Proportional to 1,600,891.08, 2,209,228.95 and 875,738.60
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Solution
The fourth proportional to 1,600,891.08, 2,209,228.95 and 875,738.60 is: 1,208,518.86
Step by Step Solution
- Step 1: Write the proportion equation
1,600,891.08 : 2,209,228.95 = 875,738.60 : x - Step 2: Convert to fraction form
1,600,891.08/2,209,228.95 = 875,738.60/x - Step 3: Cross multiply
1,600,891.08x = 2,209,228.95 × 875,738.60 - Step 4: Simplify right side
1,600,891.08x = 1,934,707,067,752.47 - Step 5: Solve for x
x = 1,934,707,067,752.47/1,600,891.08 - Step 6: Final answer
x = 1,208,518.86
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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.