Finding the Fourth Proportional to 2,020,749.44, 2,788,616.40 and 1,115,312
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Solution
The fourth proportional to 2,020,749.44, 2,788,616.40 and 1,115,312 is: 1,539,120.72
Step by Step Solution
- Step 1: Write the proportion equation
2,020,749.44 : 2,788,616.40 = 1,115,312 : x - Step 2: Convert to fraction form
2,020,749.44/2,788,616.40 = 1,115,312/x - Step 3: Cross multiply
2,020,749.44x = 2,788,616.40 × 1,115,312 - Step 4: Simplify right side
2,020,749.44x = 3,110,177,334,316.80 - Step 5: Solve for x
x = 3,110,177,334,316.80/2,020,749.44 - Step 6: Final answer
x = 1,539,120.72
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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.