Finding the Fourth Proportional to 2,139,252.66, 2,952,201.33 and 1,172,375.10
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Solution
The fourth proportional to 2,139,252.66, 2,952,201.33 and 1,172,375.10 is: 1,617,895.54
Step by Step Solution
- Step 1: Write the proportion equation
2,139,252.66 : 2,952,201.33 = 1,172,375.10 : x - Step 2: Convert to fraction form
2,139,252.66/2,952,201.33 = 1,172,375.10/x - Step 3: Cross multiply
2,139,252.66x = 2,952,201.33 × 1,172,375.10 - Step 4: Simplify right side
2,139,252.66x = 3,461,087,329,478.88 - Step 5: Solve for x
x = 3,461,087,329,478.88/2,139,252.66 - Step 6: Final answer
x = 1,617,895.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.