Finding the Fourth Proportional to 2,828,158.02, 4,242,245.67 and 698,242.41
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Solution
The fourth proportional to 2,828,158.02, 4,242,245.67 and 698,242.41 is: 1,047,365.75
Step by Step Solution
- Step 1: Write the proportion equation
2,828,158.02 : 4,242,245.67 = 698,242.41 : x - Step 2: Convert to fraction form
2,828,158.02/4,242,245.67 = 698,242.41/x - Step 3: Cross multiply
2,828,158.02x = 4,242,245.67 × 698,242.41 - Step 4: Simplify right side
2,828,158.02x = 2,962,115,840,432.87 - Step 5: Solve for x
x = 2,962,115,840,432.87/2,828,158.02 - Step 6: Final answer
x = 1,047,365.75
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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.