Finding the Fourth Proportional to 1,648,455.30, 2,473,266.15 and 1,590,135.30
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Solution
The fourth proportional to 1,648,455.30, 2,473,266.15 and 1,590,135.30 is: 2,385,765.52
Step by Step Solution
- Step 1: Write the proportion equation
1,648,455.30 : 2,473,266.15 = 1,590,135.30 : x - Step 2: Convert to fraction form
1,648,455.30/2,473,266.15 = 1,590,135.30/x - Step 3: Cross multiply
1,648,455.30x = 2,473,266.15 × 1,590,135.30 - Step 4: Simplify right side
1,648,455.30x = 3,932,827,811,410.10 - Step 5: Solve for x
x = 3,932,827,811,410.10/1,648,455.30 - Step 6: Final answer
x = 2,385,765.52
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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.