Finding the Fourth Proportional to 2,888,950.71, 3,986,607.84 and 1,665,182.07
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Solution
The fourth proportional to 2,888,950.71, 3,986,607.84 and 1,665,182.07 is: 2,297,868.17
Step by Step Solution
- Step 1: Write the proportion equation
2,888,950.71 : 3,986,607.84 = 1,665,182.07 : x - Step 2: Convert to fraction form
2,888,950.71/3,986,607.84 = 1,665,182.07/x - Step 3: Cross multiply
2,888,950.71x = 3,986,607.84 × 1,665,182.07 - Step 4: Simplify right side
2,888,950.71x = 6,638,427,895,289.43 - Step 5: Solve for x
x = 6,638,427,895,289.43/2,888,950.71 - Step 6: Final answer
x = 2,297,868.17
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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.