Finding the Fourth Proportional to 1,993,527.60, 2,990,728.80 and 645,460.80
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Solution
The fourth proportional to 1,993,527.60, 2,990,728.80 and 645,460.80 is: 968,332.82
Step by Step Solution
- Step 1: Write the proportion equation
1,993,527.60 : 2,990,728.80 = 645,460.80 : x - Step 2: Convert to fraction form
1,993,527.60/2,990,728.80 = 645,460.80/x - Step 3: Cross multiply
1,993,527.60x = 2,990,728.80 × 645,460.80 - Step 4: Simplify right side
1,993,527.60x = 1,930,398,203,831.04 - Step 5: Solve for x
x = 1,930,398,203,831.04/1,993,527.60 - Step 6: Final answer
x = 968,332.82
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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.