Finding the Fourth Proportional to 1,572,190.59, 2,169,602.26 and 874,466.70
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Solution
The fourth proportional to 1,572,190.59, 2,169,602.26 and 874,466.70 is: 1,206,752.50
Step by Step Solution
- Step 1: Write the proportion equation
1,572,190.59 : 2,169,602.26 = 874,466.70 : x - Step 2: Convert to fraction form
1,572,190.59/2,169,602.26 = 874,466.70/x - Step 3: Cross multiply
1,572,190.59x = 2,169,602.26 × 874,466.70 - Step 4: Simplify right side
1,572,190.59x = 1,897,244,928,614.74 - Step 5: Solve for x
x = 1,897,244,928,614.74/1,572,190.59 - Step 6: Final answer
x = 1,206,752.50
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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.