Finding the Fourth Proportional to 4,689,936.74, 6,466,973.24 and 3,055,312.80
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Solution
The fourth proportional to 4,689,936.74, 6,466,973.24 and 3,055,312.80 is: 4,212,983.50
Step by Step Solution
- Step 1: Write the proportion equation
4,689,936.74 : 6,466,973.24 = 3,055,312.80 : x - Step 2: Convert to fraction form
4,689,936.74/6,466,973.24 = 3,055,312.80/x - Step 3: Cross multiply
4,689,936.74x = 6,466,973.24 × 3,055,312.80 - Step 4: Simplify right side
4,689,936.74x = 19,758,626,125,067.75 - Step 5: Solve for x
x = 19,758,626,125,067.75/4,689,936.74 - Step 6: Final answer
x = 4,212,983.50
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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.