Finding the Fourth Proportional to 5,030,889.57, 6,942,277.40 and 2,855,477.03
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Solution
The fourth proportional to 5,030,889.57, 6,942,277.40 and 2,855,477.03 is: 3,940,359.52
Step by Step Solution
- Step 1: Write the proportion equation
5,030,889.57 : 6,942,277.40 = 2,855,477.03 : x - Step 2: Convert to fraction form
5,030,889.57/6,942,277.40 = 2,855,477.03/x - Step 3: Cross multiply
5,030,889.57x = 6,942,277.40 × 2,855,477.03 - Step 4: Simplify right side
5,030,889.57x = 19,823,513,602,599.35 - Step 5: Solve for x
x = 19,823,513,602,599.35/5,030,889.57 - Step 6: Final answer
x = 3,940,359.52
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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.