Finding the Fourth Proportional to 1,570,850.70, 2,356,276.05 and 1,455,377.10
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Solution
The fourth proportional to 1,570,850.70, 2,356,276.05 and 1,455,377.10 is: 2,183,065.65
Step by Step Solution
- Step 1: Write the proportion equation
1,570,850.70 : 2,356,276.05 = 1,455,377.10 : x - Step 2: Convert to fraction form
1,570,850.70/2,356,276.05 = 1,455,377.10/x - Step 3: Cross multiply
1,570,850.70x = 2,356,276.05 × 1,455,377.10 - Step 4: Simplify right side
1,570,850.70x = 3,429,270,204,448.46 - Step 5: Solve for x
x = 3,429,270,204,448.46/1,570,850.70 - Step 6: Final answer
x = 2,183,065.65
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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.