Finding the Fourth Proportional to 1,765,377.60, 2,645,344.80 and 1,313,980.80
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Solution
The fourth proportional to 1,765,377.60, 2,645,344.80 and 1,313,980.80 is: 1,968,945.50
Step by Step Solution
- Step 1: Write the proportion equation
1,765,377.60 : 2,645,344.80 = 1,313,980.80 : x - Step 2: Convert to fraction form
1,765,377.60/2,645,344.80 = 1,313,980.80/x - Step 3: Cross multiply
1,765,377.60x = 2,645,344.80 × 1,313,980.80 - Step 4: Simplify right side
1,765,377.60x = 3,475,932,276,579.84 - Step 5: Solve for x
x = 3,475,932,276,579.84/1,765,377.60 - Step 6: Final answer
x = 1,968,945.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.