Finding the Fourth Proportional to 3,783,531.60, 5,221,384.56 and 2,064,763.08
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Solution
The fourth proportional to 3,783,531.60, 5,221,384.56 and 2,064,763.08 is: 2,849,433.60
Step by Step Solution
- Step 1: Write the proportion equation
3,783,531.60 : 5,221,384.56 = 2,064,763.08 : x - Step 2: Convert to fraction form
3,783,531.60/5,221,384.56 = 2,064,763.08/x - Step 3: Cross multiply
3,783,531.60x = 5,221,384.56 × 2,064,763.08 - Step 4: Simplify right side
3,783,531.60x = 10,780,922,065,970.04 - Step 5: Solve for x
x = 10,780,922,065,970.04/3,783,531.60 - Step 6: Final answer
x = 2,849,433.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.