Finding the Fourth Proportional to 2,829,138.10, 3,904,313.97 and 1,539,916.18
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Solution
The fourth proportional to 2,829,138.10, 3,904,313.97 and 1,539,916.18 is: 2,125,140.61
Step by Step Solution
- Step 1: Write the proportion equation
2,829,138.10 : 3,904,313.97 = 1,539,916.18 : x - Step 2: Convert to fraction form
2,829,138.10/3,904,313.97 = 1,539,916.18/x - Step 3: Cross multiply
2,829,138.10x = 3,904,313.97 × 1,539,916.18 - Step 4: Simplify right side
2,829,138.10x = 6,012,316,254,203.03 - Step 5: Solve for x
x = 6,012,316,254,203.03/2,829,138.10 - Step 6: Final answer
x = 2,125,140.61
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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.