Finding the Fourth Proportional to 1,615,673.20, 2,423,502.40 and 417,493.68
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Solution
The fourth proportional to 1,615,673.20, 2,423,502.40 and 417,493.68 is: 626,238.61
Step by Step Solution
- Step 1: Write the proportion equation
1,615,673.20 : 2,423,502.40 = 417,493.68 : x - Step 2: Convert to fraction form
1,615,673.20/2,423,502.40 = 417,493.68/x - Step 3: Cross multiply
1,615,673.20x = 2,423,502.40 × 417,493.68 - Step 4: Simplify right side
1,615,673.20x = 1,011,796,935,464.83 - Step 5: Solve for x
x = 1,011,796,935,464.83/1,615,673.20 - Step 6: Final answer
x = 626,238.61
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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.