Finding the Fourth Proportional to 2,124,862.08, 2,932,224.12 and 1,157,971.61
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Solution
The fourth proportional to 2,124,862.08, 2,932,224.12 and 1,157,971.61 is: 1,597,954.20
Step by Step Solution
- Step 1: Write the proportion equation
2,124,862.08 : 2,932,224.12 = 1,157,971.61 : x - Step 2: Convert to fraction form
2,124,862.08/2,932,224.12 = 1,157,971.61/x - Step 3: Cross multiply
2,124,862.08x = 2,932,224.12 × 1,157,971.61 - Step 4: Simplify right side
2,124,862.08x = 3,395,432,285,117.23 - Step 5: Solve for x
x = 3,395,432,285,117.23/2,124,862.08 - Step 6: Final answer
x = 1,597,954.20
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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.