Finding the Fourth Proportional to 2,153,201.31, 2,971,485.18 and 1,235,598.48
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Solution
The fourth proportional to 2,153,201.31, 2,971,485.18 and 1,235,598.48 is: 1,705,164.56
Step by Step Solution
- Step 1: Write the proportion equation
2,153,201.31 : 2,971,485.18 = 1,235,598.48 : x - Step 2: Convert to fraction form
2,153,201.31/2,971,485.18 = 1,235,598.48/x - Step 3: Cross multiply
2,153,201.31x = 2,971,485.18 × 1,235,598.48 - Step 4: Simplify right side
2,153,201.31x = 3,671,562,571,750.53 - Step 5: Solve for x
x = 3,671,562,571,750.53/2,153,201.31 - Step 6: Final answer
x = 1,705,164.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.