Finding the Fourth Proportional to 1,434,794.16, 1,980,105.48 and 790,214.18
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Solution
The fourth proportional to 1,434,794.16, 1,980,105.48 and 790,214.18 is: 1,090,544.88
Step by Step Solution
- Step 1: Write the proportion equation
1,434,794.16 : 1,980,105.48 = 790,214.18 : x - Step 2: Convert to fraction form
1,434,794.16/1,980,105.48 = 790,214.18/x - Step 3: Cross multiply
1,434,794.16x = 1,980,105.48 × 790,214.18 - Step 4: Simplify right side
1,434,794.16x = 1,564,707,418,291.18 - Step 5: Solve for x
x = 1,564,707,418,291.18/1,434,794.16 - Step 6: Final answer
x = 1,090,544.88
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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.