Finding the Fourth Proportional to 4,673,685.07, 7,009,826.28 and 1,478,395.99
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Solution
The fourth proportional to 4,673,685.07, 7,009,826.28 and 1,478,395.99 is: 2,217,372.14
Step by Step Solution
- Step 1: Write the proportion equation
4,673,685.07 : 7,009,826.28 = 1,478,395.99 : x - Step 2: Convert to fraction form
4,673,685.07/7,009,826.28 = 1,478,395.99/x - Step 3: Cross multiply
4,673,685.07x = 7,009,826.28 × 1,478,395.99 - Step 4: Simplify right side
4,673,685.07x = 10,363,299,062,948.62 - Step 5: Solve for x
x = 10,363,299,062,948.62/4,673,685.07 - Step 6: Final answer
x = 2,217,372.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.