Finding the Fourth Proportional to 1,671,777.92, 2,307,642.12 and 992,709.56
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Solution
The fourth proportional to 1,671,777.92, 2,307,642.12 and 992,709.56 is: 1,370,288.70
Step by Step Solution
- Step 1: Write the proportion equation
1,671,777.92 : 2,307,642.12 = 992,709.56 : x - Step 2: Convert to fraction form
1,671,777.92/2,307,642.12 = 992,709.56/x - Step 3: Cross multiply
1,671,777.92x = 2,307,642.12 × 992,709.56 - Step 4: Simplify right side
1,671,777.92x = 2,290,818,393,582.67 - Step 5: Solve for x
x = 2,290,818,393,582.67/1,671,777.92 - Step 6: Final answer
x = 1,370,288.70
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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.