Finding the Fourth Proportional to 2,380,315.47, 3,284,862.08 and 1,292,599.95
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Solution
The fourth proportional to 2,380,315.47, 3,284,862.08 and 1,292,599.95 is: 1,783,802.44
Step by Step Solution
- Step 1: Write the proportion equation
2,380,315.47 : 3,284,862.08 = 1,292,599.95 : x - Step 2: Convert to fraction form
2,380,315.47/3,284,862.08 = 1,292,599.95/x - Step 3: Cross multiply
2,380,315.47x = 3,284,862.08 × 1,292,599.95 - Step 4: Simplify right side
2,380,315.47x = 4,246,012,553,901.90 - Step 5: Solve for x
x = 4,246,012,553,901.90/2,380,315.47 - Step 6: Final answer
x = 1,783,802.44
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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.