Finding the Fourth Proportional to 1,614,123.45, 2,227,591.07 and 888,970.99
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Solution
The fourth proportional to 1,614,123.45, 2,227,591.07 and 888,970.99 is: 1,226,835.43
Step by Step Solution
- Step 1: Write the proportion equation
1,614,123.45 : 2,227,591.07 = 888,970.99 : x - Step 2: Convert to fraction form
1,614,123.45/2,227,591.07 = 888,970.99/x - Step 3: Cross multiply
1,614,123.45x = 2,227,591.07 × 888,970.99 - Step 4: Simplify right side
1,614,123.45x = 1,980,263,838,813.06 - Step 5: Solve for x
x = 1,980,263,838,813.06/1,614,123.45 - Step 6: Final answer
x = 1,226,835.43
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1.5x scale
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.