Finding the Fourth Proportional to 6,407,913.99, 8,842,948.24 and 3,467,731.20
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Solution
The fourth proportional to 6,407,913.99, 8,842,948.24 and 3,467,731.20 is: 4,785,483.64
Step by Step Solution
- Step 1: Write the proportion equation
6,407,913.99 : 8,842,948.24 = 3,467,731.20 : x - Step 2: Convert to fraction form
6,407,913.99/8,842,948.24 = 3,467,731.20/x - Step 3: Cross multiply
6,407,913.99x = 8,842,948.24 × 3,467,731.20 - Step 4: Simplify right side
6,407,913.99x = 30,664,967,526,246.29 - Step 5: Solve for x
x = 30,664,967,526,246.29/6,407,913.99 - Step 6: Final answer
x = 4,785,483.64
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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.