Finding the Fourth Proportional to 4,224,659.60, 6,340,099.80 and 1,702,125.20
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Solution
The fourth proportional to 4,224,659.60, 6,340,099.80 and 1,702,125.20 is: 2,554,440.99
Step by Step Solution
- Step 1: Write the proportion equation
4,224,659.60 : 6,340,099.80 = 1,702,125.20 : x - Step 2: Convert to fraction form
4,224,659.60/6,340,099.80 = 1,702,125.20/x - Step 3: Cross multiply
4,224,659.60x = 6,340,099.80 × 1,702,125.20 - Step 4: Simplify right side
4,224,659.60x = 10,791,643,640,094.96 - Step 5: Solve for x
x = 10,791,643,640,094.96/4,224,659.60 - Step 6: Final answer
x = 2,554,440.99
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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.