Finding the Fourth Proportional to 1,635,507.76, 2,257,026.24 and 910,363.36
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Solution
The fourth proportional to 1,635,507.76, 2,257,026.24 and 910,363.36 is: 1,256,315.65
Step by Step Solution
- Step 1: Write the proportion equation
1,635,507.76 : 2,257,026.24 = 910,363.36 : x - Step 2: Convert to fraction form
1,635,507.76/2,257,026.24 = 910,363.36/x - Step 3: Cross multiply
1,635,507.76x = 2,257,026.24 × 910,363.36 - Step 4: Simplify right side
1,635,507.76x = 2,054,713,991,454.57 - Step 5: Solve for x
x = 2,054,713,991,454.57/1,635,507.76 - Step 6: Final answer
x = 1,256,315.65
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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.