Finding the Fourth Proportional to 2,130,430.80, 3,197,460.60 and 869,163.60
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Solution
The fourth proportional to 2,130,430.80, 3,197,460.60 and 869,163.60 is: 1,304,485.63
Step by Step Solution
- Step 1: Write the proportion equation
2,130,430.80 : 3,197,460.60 = 869,163.60 : x - Step 2: Convert to fraction form
2,130,430.80/3,197,460.60 = 869,163.60/x - Step 3: Cross multiply
2,130,430.80x = 3,197,460.60 × 869,163.60 - Step 4: Simplify right side
2,130,430.80x = 2,779,116,365,954.16 - Step 5: Solve for x
x = 2,779,116,365,954.16/2,130,430.80 - Step 6: Final answer
x = 1,304,485.63
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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.