Finding the Fourth Proportional to 1,475,618.76, 2,036,429.70 and 902,479.08
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Solution
The fourth proportional to 1,475,618.76, 2,036,429.70 and 902,479.08 is: 1,245,467.50
Step by Step Solution
- Step 1: Write the proportion equation
1,475,618.76 : 2,036,429.70 = 902,479.08 : x - Step 2: Convert to fraction form
1,475,618.76/2,036,429.70 = 902,479.08/x - Step 3: Cross multiply
1,475,618.76x = 2,036,429.70 × 902,479.08 - Step 4: Simplify right side
1,475,618.76x = 1,837,835,202,140.68 - Step 5: Solve for x
x = 1,837,835,202,140.68/1,475,618.76 - Step 6: Final answer
x = 1,245,467.50
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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.