Finding the Fourth Proportional to 4,605,742.60, 6,358,521.78 and 3,193,815.40
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Solution
The fourth proportional to 4,605,742.60, 6,358,521.78 and 3,193,815.40 is: 4,409,266.12
Step by Step Solution
- Step 1: Write the proportion equation
4,605,742.60 : 6,358,521.78 = 3,193,815.40 : x - Step 2: Convert to fraction form
4,605,742.60/6,358,521.78 = 3,193,815.40/x - Step 3: Cross multiply
4,605,742.60x = 6,358,521.78 × 3,193,815.40 - Step 4: Simplify right side
4,605,742.60x = 20,307,944,782,199.41 - Step 5: Solve for x
x = 20,307,944,782,199.41/4,605,742.60 - Step 6: Final answer
x = 4,409,266.12
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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.