Finding the Fourth Proportional to 1,817,832.24, 2,508,594.30 and 990,903.78
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Solution
The fourth proportional to 1,817,832.24, 2,508,594.30 and 990,903.78 is: 1,367,439.48
Step by Step Solution
- Step 1: Write the proportion equation
1,817,832.24 : 2,508,594.30 = 990,903.78 : x - Step 2: Convert to fraction form
1,817,832.24/2,508,594.30 = 990,903.78/x - Step 3: Cross multiply
1,817,832.24x = 2,508,594.30 × 990,903.78 - Step 4: Simplify right side
1,817,832.24x = 2,485,775,574,356.45 - Step 5: Solve for x
x = 2,485,775,574,356.45/1,817,832.24 - Step 6: Final answer
x = 1,367,439.48
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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.