Finding the Fourth Proportional to 1,420,464.41, 2,130,742.01 and 555,865.07
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Solution
The fourth proportional to 1,420,464.41, 2,130,742.01 and 555,865.07 is: 833,815.36
Step by Step Solution
- Step 1: Write the proportion equation
1,420,464.41 : 2,130,742.01 = 555,865.07 : x - Step 2: Convert to fraction form
1,420,464.41/2,130,742.01 = 555,865.07/x - Step 3: Cross multiply
1,420,464.41x = 2,130,742.01 × 555,865.07 - Step 4: Simplify right side
1,420,464.41x = 1,184,405,047,276.54 - Step 5: Solve for x
x = 1,184,405,047,276.54/1,420,464.41 - Step 6: Final answer
x = 833,815.36
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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.