Finding the Fourth Proportional to 4,889,209.42, 6,747,113.28 and 2,930,225.32
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Solution
The fourth proportional to 4,889,209.42, 6,747,113.28 and 2,930,225.32 is: 4,043,713.51
Step by Step Solution
- Step 1: Write the proportion equation
4,889,209.42 : 6,747,113.28 = 2,930,225.32 : x - Step 2: Convert to fraction form
4,889,209.42/6,747,113.28 = 2,930,225.32/x - Step 3: Cross multiply
4,889,209.42x = 6,747,113.28 × 2,930,225.32 - Step 4: Simplify right side
4,889,209.42x = 19,770,562,169,964.25 - Step 5: Solve for x
x = 19,770,562,169,964.25/4,889,209.42 - Step 6: Final answer
x = 4,043,713.51
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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.