Finding the Fourth Proportional to 2,183,911.08, 3,013,800.15 and 1,217,020.14
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Solution
The fourth proportional to 2,183,911.08, 3,013,800.15 and 1,217,020.14 is: 1,679,489.39
Step by Step Solution
- Step 1: Write the proportion equation
2,183,911.08 : 3,013,800.15 = 1,217,020.14 : x - Step 2: Convert to fraction form
2,183,911.08/3,013,800.15 = 1,217,020.14/x - Step 3: Cross multiply
2,183,911.08x = 3,013,800.15 × 1,217,020.14 - Step 4: Simplify right side
2,183,911.08x = 3,667,855,480,485.02 - Step 5: Solve for x
x = 3,667,855,480,485.02/2,183,911.08 - Step 6: Final answer
x = 1,679,489.39
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1.5x scale
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.