Finding the Fourth Proportional to 1,478,392.24, 2,216,634.94 and 579,924.80
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Solution
The fourth proportional to 1,478,392.24, 2,216,634.94 and 579,924.80 is: 869,513.20
Step by Step Solution
- Step 1: Write the proportion equation
1,478,392.24 : 2,216,634.94 = 579,924.80 : x - Step 2: Convert to fraction form
1,478,392.24/2,216,634.94 = 579,924.80/x - Step 3: Cross multiply
1,478,392.24x = 2,216,634.94 × 579,924.80 - Step 4: Simplify right side
1,478,392.24x = 1,285,481,574,252.51 - Step 5: Solve for x
x = 1,285,481,574,252.51/1,478,392.24 - Step 6: Final answer
x = 869,513.20
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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.