Finding the Fourth Proportional to 2,417,930.64, 3,336,765.96 and 1,315,386.08
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Solution
The fourth proportional to 2,417,930.64, 3,336,765.96 and 1,315,386.08 is: 1,815,244.58
Step by Step Solution
- Step 1: Write the proportion equation
2,417,930.64 : 3,336,765.96 = 1,315,386.08 : x - Step 2: Convert to fraction form
2,417,930.64/3,336,765.96 = 1,315,386.08/x - Step 3: Cross multiply
2,417,930.64x = 3,336,765.96 × 1,315,386.08 - Step 4: Simplify right side
2,417,930.64x = 4,389,135,496,001.84 - Step 5: Solve for x
x = 4,389,135,496,001.84/2,417,930.64 - Step 6: Final answer
x = 1,815,244.58
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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.