Finding the Fourth Proportional to 2,838,187.70, 4,257,281.55 and 843,643.70
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Solution
The fourth proportional to 2,838,187.70, 4,257,281.55 and 843,643.70 is: 1,265,465.55
Step by Step Solution
- Step 1: Write the proportion equation
2,838,187.70 : 4,257,281.55 = 843,643.70 : x - Step 2: Convert to fraction form
2,838,187.70/4,257,281.55 = 843,643.70/x - Step 3: Cross multiply
2,838,187.70x = 4,257,281.55 × 843,643.70 - Step 4: Simplify right side
2,838,187.70x = 3,591,628,758,783.74 - Step 5: Solve for x
x = 3,591,628,758,783.74/2,838,187.70 - Step 6: Final answer
x = 1,265,465.55
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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.