Finding the Fourth Proportional to 1,599,076.80, 2,398,615.20 and 651,931.20
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Solution
The fourth proportional to 1,599,076.80, 2,398,615.20 and 651,931.20 is: 977,896.80
Step by Step Solution
- Step 1: Write the proportion equation
1,599,076.80 : 2,398,615.20 = 651,931.20 : x - Step 2: Convert to fraction form
1,599,076.80/2,398,615.20 = 651,931.20/x - Step 3: Cross multiply
1,599,076.80x = 2,398,615.20 × 651,931.20 - Step 4: Simplify right side
1,599,076.80x = 1,563,732,085,674.24 - Step 5: Solve for x
x = 1,563,732,085,674.24/1,599,076.80 - Step 6: Final answer
x = 977,896.80
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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.