Finding the Fourth Proportional to 2,127,979.49, 3,184,479.97 and 1,329,637.01
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Solution
The fourth proportional to 2,127,979.49, 3,184,479.97 and 1,329,637.01 is: 1,989,775.96
Step by Step Solution
- Step 1: Write the proportion equation
2,127,979.49 : 3,184,479.97 = 1,329,637.01 : x - Step 2: Convert to fraction form
2,127,979.49/3,184,479.97 = 1,329,637.01/x - Step 3: Cross multiply
2,127,979.49x = 3,184,479.97 × 1,329,637.01 - Step 4: Simplify right side
2,127,979.49x = 4,234,202,425,715.69 - Step 5: Solve for x
x = 4,234,202,425,715.69/2,127,979.49 - Step 6: Final answer
x = 1,989,775.96
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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.