Finding the Fourth Proportional to 1,369,966.52, 1,890,584.64 and 887,371.65
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Solution
The fourth proportional to 1,369,966.52, 1,890,584.64 and 887,371.65 is: 1,224,592.86
Step by Step Solution
- Step 1: Write the proportion equation
1,369,966.52 : 1,890,584.64 = 887,371.65 : x - Step 2: Convert to fraction form
1,369,966.52/1,890,584.64 = 887,371.65/x - Step 3: Cross multiply
1,369,966.52x = 1,890,584.64 × 887,371.65 - Step 4: Simplify right side
1,369,966.52x = 1,677,651,211,461.46 - Step 5: Solve for x
x = 1,677,651,211,461.46/1,369,966.52 - Step 6: Final answer
x = 1,224,592.86
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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.