Finding the Fourth Proportional to 1,784,230.60, 2,675,460.30 and 646,947.40
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Solution
The fourth proportional to 1,784,230.60, 2,675,460.30 and 646,947.40 is: 970,099.99
Step by Step Solution
- Step 1: Write the proportion equation
1,784,230.60 : 2,675,460.30 = 646,947.40 : x - Step 2: Convert to fraction form
1,784,230.60/2,675,460.30 = 646,947.40/x - Step 3: Cross multiply
1,784,230.60x = 2,675,460.30 × 646,947.40 - Step 4: Simplify right side
1,784,230.60x = 1,730,882,084,888.22 - Step 5: Solve for x
x = 1,730,882,084,888.22/1,784,230.60 - Step 6: Final answer
x = 970,099.99
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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.