Finding the Fourth Proportional to 1,698,840.15, 2,344,399.80 and 934,893.70
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Solution
The fourth proportional to 1,698,840.15, 2,344,399.80 and 934,893.70 is: 1,290,153.52
Step by Step Solution
- Step 1: Write the proportion equation
1,698,840.15 : 2,344,399.80 = 934,893.70 : x - Step 2: Convert to fraction form
1,698,840.15/2,344,399.80 = 934,893.70/x - Step 3: Cross multiply
1,698,840.15x = 2,344,399.80 × 934,893.70 - Step 4: Simplify right side
1,698,840.15x = 2,191,764,603,301.26 - Step 5: Solve for x
x = 2,191,764,603,301.26/1,698,840.15 - Step 6: Final answer
x = 1,290,153.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.