Finding the Fourth Proportional to 2,999,442.24, 4,139,230.56 and 1,641,315.36
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Solution
The fourth proportional to 2,999,442.24, 4,139,230.56 and 1,641,315.36 is: 2,265,015.34
Step by Step Solution
- Step 1: Write the proportion equation
2,999,442.24 : 4,139,230.56 = 1,641,315.36 : x - Step 2: Convert to fraction form
2,999,442.24/4,139,230.56 = 1,641,315.36/x - Step 3: Cross multiply
2,999,442.24x = 4,139,230.56 × 1,641,315.36 - Step 4: Simplify right side
2,999,442.24x = 6,793,782,696,709.40 - Step 5: Solve for x
x = 6,793,782,696,709.40/2,999,442.24 - Step 6: Final answer
x = 2,265,015.34
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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.