Finding the Fourth Proportional to 3,707,638.68, 5,559,426.14 and 1,148,143.07
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Solution
The fourth proportional to 3,707,638.68, 5,559,426.14 and 1,148,143.07 is: 1,721,585.38
Step by Step Solution
- Step 1: Write the proportion equation
3,707,638.68 : 5,559,426.14 = 1,148,143.07 : x - Step 2: Convert to fraction form
3,707,638.68/5,559,426.14 = 1,148,143.07/x - Step 3: Cross multiply
3,707,638.68x = 5,559,426.14 × 1,148,143.07 - Step 4: Simplify right side
3,707,638.68x = 6,383,016,562,280.00 - Step 5: Solve for x
x = 6,383,016,562,280.00/3,707,638.68 - Step 6: Final answer
x = 1,721,585.38
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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.