Finding the Fourth Proportional to 3,130,573.60, 4,701,562.80 and 2,738,663.20
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Solution
The fourth proportional to 3,130,573.60, 4,701,562.80 and 2,738,663.20 is: 4,112,983.33
Step by Step Solution
- Step 1: Write the proportion equation
3,130,573.60 : 4,701,562.80 = 2,738,663.20 : x - Step 2: Convert to fraction form
3,130,573.60/4,701,562.80 = 2,738,663.20/x - Step 3: Cross multiply
3,130,573.60x = 4,701,562.80 × 2,738,663.20 - Step 4: Simplify right side
3,130,573.60x = 12,875,997,022,848.96 - Step 5: Solve for x
x = 12,875,997,022,848.96/3,130,573.60 - Step 6: Final answer
x = 4,112,983.33
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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.