Finding the Fourth Proportional to 1,556,209.28, 2,148,104.58 and 911,838.08
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Solution
The fourth proportional to 1,556,209.28, 2,148,104.58 and 911,838.08 is: 1,258,650.48
Step by Step Solution
- Step 1: Write the proportion equation
1,556,209.28 : 2,148,104.58 = 911,838.08 : x - Step 2: Convert to fraction form
1,556,209.28/2,148,104.58 = 911,838.08/x - Step 3: Cross multiply
1,556,209.28x = 2,148,104.58 × 911,838.08 - Step 4: Simplify right side
1,556,209.28x = 1,958,723,555,866.41 - Step 5: Solve for x
x = 1,958,723,555,866.41/1,556,209.28 - Step 6: Final answer
x = 1,258,650.48
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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.