Finding the Fourth Proportional to 5,420,315.71, 7,480,244.97 and 2,973,029.89
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Solution
The fourth proportional to 5,420,315.71, 7,480,244.97 and 2,973,029.89 is: 4,102,896.04
Step by Step Solution
- Step 1: Write the proportion equation
5,420,315.71 : 7,480,244.97 = 2,973,029.89 : x - Step 2: Convert to fraction form
5,420,315.71/7,480,244.97 = 2,973,029.89/x - Step 3: Cross multiply
5,420,315.71x = 7,480,244.97 × 2,973,029.89 - Step 4: Simplify right side
5,420,315.71x = 22,238,991,880,332.15 - Step 5: Solve for x
x = 22,238,991,880,332.15/5,420,315.71 - Step 6: Final answer
x = 4,102,896.04
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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.