Finding the Fourth Proportional to 2,303,217.60, 3,178,779.36 and 1,489,326.24
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Solution
The fourth proportional to 2,303,217.60, 3,178,779.36 and 1,489,326.24 is: 2,055,489.46
Step by Step Solution
- Step 1: Write the proportion equation
2,303,217.60 : 3,178,779.36 = 1,489,326.24 : x - Step 2: Convert to fraction form
2,303,217.60/3,178,779.36 = 1,489,326.24/x - Step 3: Cross multiply
2,303,217.60x = 3,178,779.36 × 1,489,326.24 - Step 4: Simplify right side
2,303,217.60x = 4,734,239,512,018.41 - Step 5: Solve for x
x = 4,734,239,512,018.41/2,303,217.60 - Step 6: Final answer
x = 2,055,489.46
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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.