Finding the Fourth Proportional to 3,878,970.56, 5,820,944.16 and 1,883,337.92
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Solution
The fourth proportional to 3,878,970.56, 5,820,944.16 and 1,883,337.92 is: 2,826,215.02
Step by Step Solution
- Step 1: Write the proportion equation
3,878,970.56 : 5,820,944.16 = 1,883,337.92 : x - Step 2: Convert to fraction form
3,878,970.56/5,820,944.16 = 1,883,337.92/x - Step 3: Cross multiply
3,878,970.56x = 5,820,944.16 × 1,883,337.92 - Step 4: Simplify right side
3,878,970.56x = 10,962,804,866,730.55 - Step 5: Solve for x
x = 10,962,804,866,730.55/3,878,970.56 - Step 6: Final answer
x = 2,826,215.02
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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.