Finding the Fourth Proportional to 3,103,698.72, 4,285,072.10 and 2,125,275.08
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Solution
The fourth proportional to 3,103,698.72, 4,285,072.10 and 2,125,275.08 is: 2,934,227.12
Step by Step Solution
- Step 1: Write the proportion equation
3,103,698.72 : 4,285,072.10 = 2,125,275.08 : x - Step 2: Convert to fraction form
3,103,698.72/4,285,072.10 = 2,125,275.08/x - Step 3: Cross multiply
3,103,698.72x = 4,285,072.10 × 2,125,275.08 - Step 4: Simplify right side
3,103,698.72x = 9,106,956,950,133.27 - Step 5: Solve for x
x = 9,106,956,950,133.27/3,103,698.72 - Step 6: Final answer
x = 2,934,227.12
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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.