Finding the Fourth Proportional to 1,574,273.70, 2,361,410.55 and 1,259,345.70
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Solution
The fourth proportional to 1,574,273.70, 2,361,410.55 and 1,259,345.70 is: 1,889,018.55
Step by Step Solution
- Step 1: Write the proportion equation
1,574,273.70 : 2,361,410.55 = 1,259,345.70 : x - Step 2: Convert to fraction form
1,574,273.70/2,361,410.55 = 1,259,345.70/x - Step 3: Cross multiply
1,574,273.70x = 2,361,410.55 × 1,259,345.70 - Step 4: Simplify right side
1,574,273.70x = 2,973,832,222,077.14 - Step 5: Solve for x
x = 2,973,832,222,077.14/1,574,273.70 - Step 6: Final answer
x = 1,889,018.55
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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.