Finding the Fourth Proportional to 1,556,365.12, 2,148,595.68 and 1,104,735.04
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Solution
The fourth proportional to 1,556,365.12, 2,148,595.68 and 1,104,735.04 is: 1,525,110.60
Step by Step Solution
- Step 1: Write the proportion equation
1,556,365.12 : 2,148,595.68 = 1,104,735.04 : x - Step 2: Convert to fraction form
1,556,365.12/2,148,595.68 = 1,104,735.04/x - Step 3: Cross multiply
1,556,365.12x = 2,148,595.68 × 1,104,735.04 - Step 4: Simplify right side
1,556,365.12x = 2,373,628,934,488.63 - Step 5: Solve for x
x = 2,373,628,934,488.63/1,556,365.12 - Step 6: Final answer
x = 1,525,110.60
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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.