Finding the Fourth Proportional to 1,620,124.22, 2,430,177.52 and 660,576.08
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Solution
The fourth proportional to 1,620,124.22, 2,430,177.52 and 660,576.08 is: 990,860.53
Step by Step Solution
- Step 1: Write the proportion equation
1,620,124.22 : 2,430,177.52 = 660,576.08 : x - Step 2: Convert to fraction form
1,620,124.22/2,430,177.52 = 660,576.08/x - Step 3: Cross multiply
1,620,124.22x = 2,430,177.52 × 660,576.08 - Step 4: Simplify right side
1,620,124.22x = 1,605,317,139,865.72 - Step 5: Solve for x
x = 1,605,317,139,865.72/1,620,124.22 - Step 6: Final answer
x = 990,860.53
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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.