Finding the Fourth Proportional to 3,564,901.80, 5,347,352.70 and 1,291,515.30
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Solution
The fourth proportional to 3,564,901.80, 5,347,352.70 and 1,291,515.30 is: 1,937,272.95
Step by Step Solution
- Step 1: Write the proportion equation
3,564,901.80 : 5,347,352.70 = 1,291,515.30 : x - Step 2: Convert to fraction form
3,564,901.80/5,347,352.70 = 1,291,515.30/x - Step 3: Cross multiply
3,564,901.80x = 5,347,352.70 × 1,291,515.30 - Step 4: Simplify right side
3,564,901.80x = 6,906,187,826,546.31 - Step 5: Solve for x
x = 6,906,187,826,546.31/3,564,901.80 - Step 6: Final answer
x = 1,937,272.95
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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.