Finding the Fourth Proportional to 1,698,532.64, 2,343,202.73 and 1,009,813.74
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Solution
The fourth proportional to 1,698,532.64, 2,343,202.73 and 1,009,813.74 is: 1,393,083.80
Step by Step Solution
- Step 1: Write the proportion equation
1,698,532.64 : 2,343,202.73 = 1,009,813.74 : x - Step 2: Convert to fraction form
1,698,532.64/2,343,202.73 = 1,009,813.74/x - Step 3: Cross multiply
1,698,532.64x = 2,343,202.73 × 1,009,813.74 - Step 4: Simplify right side
1,698,532.64x = 2,366,198,302,310.23 - Step 5: Solve for x
x = 2,366,198,302,310.23/1,698,532.64 - Step 6: Final answer
x = 1,393,083.80
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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.