Finding the Fourth Proportional to 1,571,270.40, 2,168,635.68 and 926,652.96
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Solution
The fourth proportional to 1,571,270.40, 2,168,635.68 and 926,652.96 is: 1,278,947.71
Step by Step Solution
- Step 1: Write the proportion equation
1,571,270.40 : 2,168,635.68 = 926,652.96 : x - Step 2: Convert to fraction form
1,571,270.40/2,168,635.68 = 926,652.96/x - Step 3: Cross multiply
1,571,270.40x = 2,168,635.68 × 926,652.96 - Step 4: Simplify right side
1,571,270.40x = 2,009,572,672,033.61 - Step 5: Solve for x
x = 2,009,572,672,033.61/1,571,270.40 - Step 6: Final answer
x = 1,278,947.71
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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.