Finding the Fourth Proportional to 2,116,875.08, 2,921,538.02 and 1,257,438.75
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Solution
The fourth proportional to 2,116,875.08, 2,921,538.02 and 1,257,438.75 is: 1,735,414.22
Step by Step Solution
- Step 1: Write the proportion equation
2,116,875.08 : 2,921,538.02 = 1,257,438.75 : x - Step 2: Convert to fraction form
2,116,875.08/2,921,538.02 = 1,257,438.75/x - Step 3: Cross multiply
2,116,875.08x = 2,921,538.02 × 1,257,438.75 - Step 4: Simplify right side
2,116,875.08x = 3,673,655,109,659.08 - Step 5: Solve for x
x = 3,673,655,109,659.08/2,116,875.08 - Step 6: Final answer
x = 1,735,414.22
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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.