Finding the Fourth Proportional to 2,130,752.61, 2,940,326.19 and 1,163,868.98
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Solution
The fourth proportional to 2,130,752.61, 2,940,326.19 and 1,163,868.98 is: 1,606,077.78
Step by Step Solution
- Step 1: Write the proportion equation
2,130,752.61 : 2,940,326.19 = 1,163,868.98 : x - Step 2: Convert to fraction form
2,130,752.61/2,940,326.19 = 1,163,868.98/x - Step 3: Cross multiply
2,130,752.61x = 2,940,326.19 × 1,163,868.98 - Step 4: Simplify right side
2,130,752.61x = 3,422,154,428,920.96 - Step 5: Solve for x
x = 3,422,154,428,920.96/2,130,752.61 - Step 6: Final answer
x = 1,606,077.78
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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.