Finding the Fourth Proportional to 1,658,101.60, 2,488,464.60 and 647,707.60
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Solution
The fourth proportional to 1,658,101.60, 2,488,464.60 and 647,707.60 is: 972,073.99
Step by Step Solution
- Step 1: Write the proportion equation
1,658,101.60 : 2,488,464.60 = 647,707.60 : x - Step 2: Convert to fraction form
1,658,101.60/2,488,464.60 = 647,707.60/x - Step 3: Cross multiply
1,658,101.60x = 2,488,464.60 × 647,707.60 - Step 4: Simplify right side
1,658,101.60x = 1,611,797,433,750.96 - Step 5: Solve for x
x = 1,611,797,433,750.96/1,658,101.60 - Step 6: Final answer
x = 972,073.99
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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.