Finding the Fourth Proportional to 5,369,505.60, 8,054,258.40 and 3,246,139.20
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Solution
The fourth proportional to 5,369,505.60, 8,054,258.40 and 3,246,139.20 is: 4,869,208.80
Step by Step Solution
- Step 1: Write the proportion equation
5,369,505.60 : 8,054,258.40 = 3,246,139.20 : x - Step 2: Convert to fraction form
5,369,505.60/8,054,258.40 = 3,246,139.20/x - Step 3: Cross multiply
5,369,505.60x = 8,054,258.40 × 3,246,139.20 - Step 4: Simplify right side
5,369,505.60x = 26,145,243,919,169.28 - Step 5: Solve for x
x = 26,145,243,919,169.28/5,369,505.60 - Step 6: Final answer
x = 4,869,208.80
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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.