Finding the Fourth Proportional to 1,479,485.84, 2,041,670.29 and 826,121.95
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Solution
The fourth proportional to 1,479,485.84, 2,041,670.29 and 826,121.95 is: 1,140,037.03
Step by Step Solution
- Step 1: Write the proportion equation
1,479,485.84 : 2,041,670.29 = 826,121.95 : x - Step 2: Convert to fraction form
1,479,485.84/2,041,670.29 = 826,121.95/x - Step 3: Cross multiply
1,479,485.84x = 2,041,670.29 × 826,121.95 - Step 4: Simplify right side
1,479,485.84x = 1,686,668,641,231.87 - Step 5: Solve for x
x = 1,686,668,641,231.87/1,479,485.84 - Step 6: Final answer
x = 1,140,037.03
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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.