Finding the Fourth Proportional to 2,539,415.26, 3,809,048.94 and 742,340.92
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Solution
The fourth proportional to 2,539,415.26, 3,809,048.94 and 742,340.92 is: 1,113,489.76
Step by Step Solution
- Step 1: Write the proportion equation
2,539,415.26 : 3,809,048.94 = 742,340.92 : x - Step 2: Convert to fraction form
2,539,415.26/3,809,048.94 = 742,340.92/x - Step 3: Cross multiply
2,539,415.26x = 3,809,048.94 × 742,340.92 - Step 4: Simplify right side
2,539,415.26x = 2,827,612,894,444.63 - Step 5: Solve for x
x = 2,827,612,894,444.63/2,539,415.26 - Step 6: Final answer
x = 1,113,489.76
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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.