Finding the Fourth Proportional to 2,226,903.84, 3,072,972.96 and 1,309,171.68
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Solution
The fourth proportional to 2,226,903.84, 3,072,972.96 and 1,309,171.68 is: 1,806,566.18
Step by Step Solution
- Step 1: Write the proportion equation
2,226,903.84 : 3,072,972.96 = 1,309,171.68 : x - Step 2: Convert to fraction form
2,226,903.84/3,072,972.96 = 1,309,171.68/x - Step 3: Cross multiply
2,226,903.84x = 3,072,972.96 × 1,309,171.68 - Step 4: Simplify right side
2,226,903.84x = 4,023,049,172,637.77 - Step 5: Solve for x
x = 4,023,049,172,637.77/2,226,903.84 - Step 6: Final answer
x = 1,806,566.18
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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.