Finding the Fourth Proportional to 2,216,611.12, 3,058,862.24 and 1,249,733.02
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Solution
The fourth proportional to 2,216,611.12, 3,058,862.24 and 1,249,733.02 is: 1,724,597.12
Step by Step Solution
- Step 1: Write the proportion equation
2,216,611.12 : 3,058,862.24 = 1,249,733.02 : x - Step 2: Convert to fraction form
2,216,611.12/3,058,862.24 = 1,249,733.02/x - Step 3: Cross multiply
2,216,611.12x = 3,058,862.24 × 1,249,733.02 - Step 4: Simplify right side
2,216,611.12x = 3,822,761,144,959.17 - Step 5: Solve for x
x = 3,822,761,144,959.17/2,216,611.12 - Step 6: Final answer
x = 1,724,597.12
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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.