Finding the Fourth Proportional to 5,827,831.20, 8,741,746.80 and 3,924,266.40
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Solution
The fourth proportional to 5,827,831.20, 8,741,746.80 and 3,924,266.40 is: 5,886,399.60
Step by Step Solution
- Step 1: Write the proportion equation
5,827,831.20 : 8,741,746.80 = 3,924,266.40 : x - Step 2: Convert to fraction form
5,827,831.20/8,741,746.80 = 3,924,266.40/x - Step 3: Cross multiply
5,827,831.20x = 8,741,746.80 × 3,924,266.40 - Step 4: Simplify right side
5,827,831.20x = 34,304,943,244,547.52 - Step 5: Solve for x
x = 34,304,943,244,547.52/5,827,831.20 - Step 6: Final answer
x = 5,886,399.60
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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.