Finding the Fourth Proportional to 2,824,948.76, 3,898,473.64 and 1,535,794.07
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Solution
The fourth proportional to 2,824,948.76, 3,898,473.64 and 1,535,794.07 is: 2,119,419.92
Step by Step Solution
- Step 1: Write the proportion equation
2,824,948.76 : 3,898,473.64 = 1,535,794.07 : x - Step 2: Convert to fraction form
2,824,948.76/3,898,473.64 = 1,535,794.07/x - Step 3: Cross multiply
2,824,948.76x = 3,898,473.64 × 1,535,794.07 - Step 4: Simplify right side
2,824,948.76x = 5,987,252,675,031.46 - Step 5: Solve for x
x = 5,987,252,675,031.46/2,824,948.76 - Step 6: Final answer
x = 2,119,419.92
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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.