Finding the Fourth Proportional to 1,992,594.72, 2,749,766.76 and 1,133,154.84
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Solution
The fourth proportional to 1,992,594.72, 2,749,766.76 and 1,133,154.84 is: 1,563,745.74
Step by Step Solution
- Step 1: Write the proportion equation
1,992,594.72 : 2,749,766.76 = 1,133,154.84 : x - Step 2: Convert to fraction form
1,992,594.72/2,749,766.76 = 1,133,154.84/x - Step 3: Cross multiply
1,992,594.72x = 2,749,766.76 × 1,133,154.84 - Step 4: Simplify right side
1,992,594.72x = 3,115,911,512,965.12 - Step 5: Solve for x
x = 3,115,911,512,965.12/1,992,594.72 - Step 6: Final answer
x = 1,563,745.74
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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.