Finding the Fourth Proportional to 2,045,409.20, 3,068,113.80 and 907,731.80
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Solution
The fourth proportional to 2,045,409.20, 3,068,113.80 and 907,731.80 is: 1,361,597.70
Step by Step Solution
- Step 1: Write the proportion equation
2,045,409.20 : 3,068,113.80 = 907,731.80 : x - Step 2: Convert to fraction form
2,045,409.20/3,068,113.80 = 907,731.80/x - Step 3: Cross multiply
2,045,409.20x = 3,068,113.80 × 907,731.80 - Step 4: Simplify right side
2,045,409.20x = 2,785,024,462,278.84 - Step 5: Solve for x
x = 2,785,024,462,278.84/2,045,409.20 - Step 6: Final answer
x = 1,361,597.70
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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.