Finding the Fourth Proportional to 3,862,041.24, 5,329,866.78 and 2,143,165.08
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Solution
The fourth proportional to 3,862,041.24, 5,329,866.78 and 2,143,165.08 is: 2,957,706.47
Step by Step Solution
- Step 1: Write the proportion equation
3,862,041.24 : 5,329,866.78 = 2,143,165.08 : x - Step 2: Convert to fraction form
3,862,041.24/5,329,866.78 = 2,143,165.08/x - Step 3: Cross multiply
3,862,041.24x = 5,329,866.78 × 2,143,165.08 - Step 4: Simplify right side
3,862,041.24x = 11,422,784,363,948.04 - Step 5: Solve for x
x = 11,422,784,363,948.04/3,862,041.24 - Step 6: Final answer
x = 2,957,706.47
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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.