Finding the Fourth Proportional to 3,707,634.84, 5,559,420.37 and 1,148,139.23
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Solution
The fourth proportional to 3,707,634.84, 5,559,420.37 and 1,148,139.23 is: 1,721,579.63
Step by Step Solution
- Step 1: Write the proportion equation
3,707,634.84 : 5,559,420.37 = 1,148,139.23 : x - Step 2: Convert to fraction form
3,707,634.84/5,559,420.37 = 1,148,139.23/x - Step 3: Cross multiply
3,707,634.84x = 5,559,420.37 × 1,148,139.23 - Step 4: Simplify right side
3,707,634.84x = 6,382,988,641,251.04 - Step 5: Solve for x
x = 6,382,988,641,251.04/3,707,634.84 - Step 6: Final answer
x = 1,721,579.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.