Finding the Fourth Proportional to 2,143,468.09, 2,957,948.84 and 1,163,386.09
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Solution
The fourth proportional to 2,143,468.09, 2,957,948.84 and 1,163,386.09 is: 1,605,452.66
Step by Step Solution
- Step 1: Write the proportion equation
2,143,468.09 : 2,957,948.84 = 1,163,386.09 : x - Step 2: Convert to fraction form
2,143,468.09/2,957,948.84 = 1,163,386.09/x - Step 3: Cross multiply
2,143,468.09x = 2,957,948.84 × 1,163,386.09 - Step 4: Simplify right side
2,143,468.09x = 3,441,236,529,570.71 - Step 5: Solve for x
x = 3,441,236,529,570.71/2,143,468.09 - Step 6: Final answer
x = 1,605,452.66
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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.