Finding the Fourth Proportional to 1,574,709.48, 2,171,979.36 and 1,051,156.08
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Solution
The fourth proportional to 1,574,709.48, 2,171,979.36 and 1,051,156.08 is: 1,449,847.95
Step by Step Solution
- Step 1: Write the proportion equation
1,574,709.48 : 2,171,979.36 = 1,051,156.08 : x - Step 2: Convert to fraction form
1,574,709.48/2,171,979.36 = 1,051,156.08/x - Step 3: Cross multiply
1,574,709.48x = 2,171,979.36 × 1,051,156.08 - Step 4: Simplify right side
1,574,709.48x = 2,283,089,309,898.51 - Step 5: Solve for x
x = 2,283,089,309,898.51/1,574,709.48 - Step 6: Final answer
x = 1,449,847.95
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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.