Finding the Fourth Proportional to 1,569,709.70, 2,354,564.55 and 1,091,412.80
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Solution
The fourth proportional to 1,569,709.70, 2,354,564.55 and 1,091,412.80 is: 1,637,119.20
Step by Step Solution
- Step 1: Write the proportion equation
1,569,709.70 : 2,354,564.55 = 1,091,412.80 : x - Step 2: Convert to fraction form
1,569,709.70/2,354,564.55 = 1,091,412.80/x - Step 3: Cross multiply
1,569,709.70x = 2,354,564.55 × 1,091,412.80 - Step 4: Simplify right side
1,569,709.70x = 2,569,801,888,296.24 - Step 5: Solve for x
x = 2,569,801,888,296.24/1,569,709.70 - Step 6: Final answer
x = 1,637,119.20
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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.