Finding the Fourth Proportional to 1,927,899.14, 2,874,612.77 and 1,874,931.50
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Solution
The fourth proportional to 1,927,899.14, 2,874,612.77 and 1,874,931.50 is: 2,795,634.84
Step by Step Solution
- Step 1: Write the proportion equation
1,927,899.14 : 2,874,612.77 = 1,874,931.50 : x - Step 2: Convert to fraction form
1,927,899.14/2,874,612.77 = 1,874,931.50/x - Step 3: Cross multiply
1,927,899.14x = 2,874,612.77 × 1,874,931.50 - Step 4: Simplify right side
1,927,899.14x = 5,389,702,009,027.53 - Step 5: Solve for x
x = 5,389,702,009,027.53/1,927,899.14 - Step 6: Final answer
x = 2,795,634.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.