Finding the Fourth Proportional to 5,576,641.60, 8,373,256.80 and 4,315,892.80
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Solution
The fourth proportional to 5,576,641.60, 8,373,256.80 and 4,315,892.80 is: 6,480,258.43
Step by Step Solution
- Step 1: Write the proportion equation
5,576,641.60 : 8,373,256.80 = 4,315,892.80 : x - Step 2: Convert to fraction form
5,576,641.60/8,373,256.80 = 4,315,892.80/x - Step 3: Cross multiply
5,576,641.60x = 8,373,256.80 × 4,315,892.80 - Step 4: Simplify right side
5,576,641.60x = 36,138,078,735,671.04 - Step 5: Solve for x
x = 36,138,078,735,671.04/5,576,641.60 - Step 6: Final answer
x = 6,480,258.43
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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.