Finding the Fourth Proportional to 2,113,678.92, 3,168,652.14 and 1,617,259.08
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Solution
The fourth proportional to 2,113,678.92, 3,168,652.14 and 1,617,259.08 is: 2,424,460.69
Step by Step Solution
- Step 1: Write the proportion equation
2,113,678.92 : 3,168,652.14 = 1,617,259.08 : x - Step 2: Convert to fraction form
2,113,678.92/3,168,652.14 = 1,617,259.08/x - Step 3: Cross multiply
2,113,678.92x = 3,168,652.14 × 1,617,259.08 - Step 4: Simplify right side
2,113,678.92x = 5,124,531,444,776.43 - Step 5: Solve for x
x = 5,124,531,444,776.43/2,113,678.92 - Step 6: Final answer
x = 2,424,460.69
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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.