Finding the Fourth Proportional to 4,325,645.16, 6,488,836.79 and 1,130,766.21
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Solution
The fourth proportional to 4,325,645.16, 6,488,836.79 and 1,130,766.21 is: 1,696,245.79
Step by Step Solution
- Step 1: Write the proportion equation
4,325,645.16 : 6,488,836.79 = 1,130,766.21 : x - Step 2: Convert to fraction form
4,325,645.16/6,488,836.79 = 1,130,766.21/x - Step 3: Cross multiply
4,325,645.16x = 6,488,836.79 × 1,130,766.21 - Step 4: Simplify right side
4,325,645.16x = 7,337,357,378,683.04 - Step 5: Solve for x
x = 7,337,357,378,683.04/4,325,645.16 - Step 6: Final answer
x = 1,696,245.79
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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.