Finding the Fourth Proportional to 2,548,920.74, 3,517,511.60 and 1,402,992.88
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Solution
The fourth proportional to 2,548,920.74, 3,517,511.60 and 1,402,992.88 is: 1,936,130.71
Step by Step Solution
- Step 1: Write the proportion equation
2,548,920.74 : 3,517,511.60 = 1,402,992.88 : x - Step 2: Convert to fraction form
2,548,920.74/3,517,511.60 = 1,402,992.88/x - Step 3: Cross multiply
2,548,920.74x = 3,517,511.60 × 1,402,992.88 - Step 4: Simplify right side
2,548,920.74x = 4,935,043,730,117.41 - Step 5: Solve for x
x = 4,935,043,730,117.41/2,548,920.74 - Step 6: Final answer
x = 1,936,130.71
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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.