Finding the Fourth Proportional to 2,792,263.68, 4,188,406.47 and 1,845,423.90
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Solution
The fourth proportional to 2,792,263.68, 4,188,406.47 and 1,845,423.90 is: 2,768,143.09
Step by Step Solution
- Step 1: Write the proportion equation
2,792,263.68 : 4,188,406.47 = 1,845,423.90 : x - Step 2: Convert to fraction form
2,792,263.68/4,188,406.47 = 1,845,423.90/x - Step 3: Cross multiply
2,792,263.68x = 4,188,406.47 × 1,845,423.90 - Step 4: Simplify right side
2,792,263.68x = 7,729,385,402,652.63 - Step 5: Solve for x
x = 7,729,385,402,652.63/2,792,263.68 - Step 6: Final answer
x = 2,768,143.09
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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.