Finding the Fourth Proportional to 2,087,485.80, 3,130,791.30 and 1,023,291.60
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Solution
The fourth proportional to 2,087,485.80, 3,130,791.30 and 1,023,291.60 is: 1,534,722.99
Step by Step Solution
- Step 1: Write the proportion equation
2,087,485.80 : 3,130,791.30 = 1,023,291.60 : x - Step 2: Convert to fraction form
2,087,485.80/3,130,791.30 = 1,023,291.60/x - Step 3: Cross multiply
2,087,485.80x = 3,130,791.30 × 1,023,291.60 - Step 4: Simplify right side
2,087,485.80x = 3,203,712,438,643.08 - Step 5: Solve for x
x = 3,203,712,438,643.08/2,087,485.80 - Step 6: Final answer
x = 1,534,722.99
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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.