Finding the Fourth Proportional to 1,764,776.61, 2,435,391.75 and 1,000,830.18
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Solution
The fourth proportional to 1,764,776.61, 2,435,391.75 and 1,000,830.18 is: 1,381,145.66
Step by Step Solution
- Step 1: Write the proportion equation
1,764,776.61 : 2,435,391.75 = 1,000,830.18 : x - Step 2: Convert to fraction form
1,764,776.61/2,435,391.75 = 1,000,830.18/x - Step 3: Cross multiply
1,764,776.61x = 2,435,391.75 × 1,000,830.18 - Step 4: Simplify right side
1,764,776.61x = 2,437,413,563,523.02 - Step 5: Solve for x
x = 2,437,413,563,523.02/1,764,776.61 - Step 6: Final answer
x = 1,381,145.66
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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.