Finding the Fourth Proportional to 2,157,722.36, 3,237,009.91 and 791,508.74
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Solution
The fourth proportional to 2,157,722.36, 3,237,009.91 and 791,508.74 is: 1,187,419.52
Step by Step Solution
- Step 1: Write the proportion equation
2,157,722.36 : 3,237,009.91 = 791,508.74 : x - Step 2: Convert to fraction form
2,157,722.36/3,237,009.91 = 791,508.74/x - Step 3: Cross multiply
2,157,722.36x = 3,237,009.91 × 791,508.74 - Step 4: Simplify right side
2,157,722.36x = 2,562,121,641,345.37 - Step 5: Solve for x
x = 2,562,121,641,345.37/2,157,722.36 - Step 6: Final answer
x = 1,187,419.52
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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.