Finding the Fourth Proportional to 5,220,817.60, 7,828,893.60 and 2,024,881.60
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Solution
The fourth proportional to 5,220,817.60, 7,828,893.60 and 2,024,881.60 is: 3,036,417.63
Step by Step Solution
- Step 1: Write the proportion equation
5,220,817.60 : 7,828,893.60 = 2,024,881.60 : x - Step 2: Convert to fraction form
5,220,817.60/7,828,893.60 = 2,024,881.60/x - Step 3: Cross multiply
5,220,817.60x = 7,828,893.60 × 2,024,881.60 - Step 4: Simplify right side
5,220,817.60x = 15,852,582,598,997.76 - Step 5: Solve for x
x = 15,852,582,598,997.76/5,220,817.60 - Step 6: Final answer
x = 3,036,417.63
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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.