Finding the Fourth Proportional to 4,238,540.40, 6,355,621.80 and 1,246,335.60
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Solution
The fourth proportional to 4,238,540.40, 6,355,621.80 and 1,246,335.60 is: 1,868,859.79
Step by Step Solution
- Step 1: Write the proportion equation
4,238,540.40 : 6,355,621.80 = 1,246,335.60 : x - Step 2: Convert to fraction form
4,238,540.40/6,355,621.80 = 1,246,335.60/x - Step 3: Cross multiply
4,238,540.40x = 6,355,621.80 × 1,246,335.60 - Step 4: Simplify right side
4,238,540.40x = 7,921,237,709,476.08 - Step 5: Solve for x
x = 7,921,237,709,476.08/4,238,540.40 - Step 6: Final answer
x = 1,868,859.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.