Finding the Fourth Proportional to 4,257,437.80, 5,874,364.56 and 2,708,135.32
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Solution
The fourth proportional to 4,257,437.80, 5,874,364.56 and 2,708,135.32 is: 3,736,654.51
Step by Step Solution
- Step 1: Write the proportion equation
4,257,437.80 : 5,874,364.56 = 2,708,135.32 : x - Step 2: Convert to fraction form
4,257,437.80/5,874,364.56 = 2,708,135.32/x - Step 3: Cross multiply
4,257,437.80x = 5,874,364.56 × 2,708,135.32 - Step 4: Simplify right side
4,257,437.80x = 15,908,574,147,492.26 - Step 5: Solve for x
x = 15,908,574,147,492.26/4,257,437.80 - Step 6: Final answer
x = 3,736,654.51
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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.