Finding the Fourth Proportional to 1,556,370.12, 2,148,602.58 and 1,104,740.04
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Solution
The fourth proportional to 1,556,370.12, 2,148,602.58 and 1,104,740.04 is: 1,525,117.50
Step by Step Solution
- Step 1: Write the proportion equation
1,556,370.12 : 2,148,602.58 = 1,104,740.04 : x - Step 2: Convert to fraction form
1,556,370.12/2,148,602.58 = 1,104,740.04/x - Step 3: Cross multiply
1,556,370.12x = 2,148,602.58 × 1,104,740.04 - Step 4: Simplify right side
1,556,370.12x = 2,373,647,300,173.30 - Step 5: Solve for x
x = 2,373,647,300,173.30/1,556,370.12 - Step 6: Final answer
x = 1,525,117.50
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1.5x scale
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.