Finding the Fourth Proportional to 1,623,774.08, 2,240,772.84 and 888,724.80
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Solution
The fourth proportional to 1,623,774.08, 2,240,772.84 and 888,724.80 is: 1,226,420.85
Step by Step Solution
- Step 1: Write the proportion equation
1,623,774.08 : 2,240,772.84 = 888,724.80 : x - Step 2: Convert to fraction form
1,623,774.08/2,240,772.84 = 888,724.80/x - Step 3: Cross multiply
1,623,774.08x = 2,240,772.84 × 888,724.80 - Step 4: Simplify right side
1,623,774.08x = 1,991,430,394,074.43 - Step 5: Solve for x
x = 1,991,430,394,074.43/1,623,774.08 - Step 6: Final answer
x = 1,226,420.85
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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.