Finding the Fourth Proportional to 1,770,140.70, 2,655,652.95 and 617,403.84
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Solution
The fourth proportional to 1,770,140.70, 2,655,652.95 and 617,403.84 is: 926,259.88
Step by Step Solution
- Step 1: Write the proportion equation
1,770,140.70 : 2,655,652.95 = 617,403.84 : x - Step 2: Convert to fraction form
1,770,140.70/2,655,652.95 = 617,403.84/x - Step 3: Cross multiply
1,770,140.70x = 2,655,652.95 × 617,403.84 - Step 4: Simplify right side
1,770,140.70x = 1,639,610,319,078.63 - Step 5: Solve for x
x = 1,639,610,319,078.63/1,770,140.70 - Step 6: Final answer
x = 926,259.88
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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.