Finding the Fourth Proportional to 1,914,377.16, 2,641,858.08 and 1,054,968.12
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Solution
The fourth proportional to 1,914,377.16, 2,641,858.08 and 1,054,968.12 is: 1,455,865.70
Step by Step Solution
- Step 1: Write the proportion equation
1,914,377.16 : 2,641,858.08 = 1,054,968.12 : x - Step 2: Convert to fraction form
1,914,377.16/2,641,858.08 = 1,054,968.12/x - Step 3: Cross multiply
1,914,377.16x = 2,641,858.08 × 1,054,968.12 - Step 4: Simplify right side
1,914,377.16x = 2,787,076,051,964.41 - Step 5: Solve for x
x = 2,787,076,051,964.41/1,914,377.16 - Step 6: Final answer
x = 1,455,865.70
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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.