Finding the Fourth Proportional to 2,813,661.60, 4,220,492.40 and 2,690,800.80
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Solution
The fourth proportional to 2,813,661.60, 4,220,492.40 and 2,690,800.80 is: 4,036,201.20
Step by Step Solution
- Step 1: Write the proportion equation
2,813,661.60 : 4,220,492.40 = 2,690,800.80 : x - Step 2: Convert to fraction form
2,813,661.60/4,220,492.40 = 2,690,800.80/x - Step 3: Cross multiply
2,813,661.60x = 4,220,492.40 × 2,690,800.80 - Step 4: Simplify right side
2,813,661.60x = 11,356,504,326,313.92 - Step 5: Solve for x
x = 11,356,504,326,313.92/2,813,661.60 - Step 6: Final answer
x = 4,036,201.20
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1.5x scale
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.