Finding the Fourth Proportional to 2,913,296.80, 4,371,511.92 and 2,807,257.12
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Solution
The fourth proportional to 2,913,296.80, 4,371,511.92 and 2,807,257.12 is: 4,212,395.37
Step by Step Solution
- Step 1: Write the proportion equation
2,913,296.80 : 4,371,511.92 = 2,807,257.12 : x - Step 2: Convert to fraction form
2,913,296.80/4,371,511.92 = 2,807,257.12/x - Step 3: Cross multiply
2,913,296.80x = 4,371,511.92 × 2,807,257.12 - Step 4: Simplify right side
2,913,296.80x = 12,271,957,962,584.87 - Step 5: Solve for x
x = 12,271,957,962,584.87/2,913,296.80 - Step 6: Final answer
x = 4,212,395.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.