Finding the Fourth Proportional to 2,817,407.63, 4,220,443.98 and 2,135,460.77
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Solution
The fourth proportional to 2,817,407.63, 4,220,443.98 and 2,135,460.77 is: 3,198,895.49
Step by Step Solution
- Step 1: Write the proportion equation
2,817,407.63 : 4,220,443.98 = 2,135,460.77 : x - Step 2: Convert to fraction form
2,817,407.63/4,220,443.98 = 2,135,460.77/x - Step 3: Cross multiply
2,817,407.63x = 4,220,443.98 × 2,135,460.77 - Step 4: Simplify right side
2,817,407.63x = 9,012,592,551,272.67 - Step 5: Solve for x
x = 9,012,592,551,272.67/2,817,407.63 - Step 6: Final answer
x = 3,198,895.49
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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.