Finding the Fourth Proportional to 2,217,664.80, 3,326,497.20 and 1,209,895.20
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Solution
The fourth proportional to 2,217,664.80, 3,326,497.20 and 1,209,895.20 is: 1,814,842.80
Step by Step Solution
- Step 1: Write the proportion equation
2,217,664.80 : 3,326,497.20 = 1,209,895.20 : x - Step 2: Convert to fraction form
2,217,664.80/3,326,497.20 = 1,209,895.20/x - Step 3: Cross multiply
2,217,664.80x = 3,326,497.20 × 1,209,895.20 - Step 4: Simplify right side
2,217,664.80x = 4,024,712,995,093.44 - Step 5: Solve for x
x = 4,024,712,995,093.44/2,217,664.80 - Step 6: Final answer
x = 1,814,842.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.