Finding the Fourth Proportional to 1,367,865.47, 1,887,752.07 and 756,005.06
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Solution
The fourth proportional to 1,367,865.47, 1,887,752.07 and 756,005.06 is: 1,043,340.99
Step by Step Solution
- Step 1: Write the proportion equation
1,367,865.47 : 1,887,752.07 = 756,005.06 : x - Step 2: Convert to fraction form
1,367,865.47/1,887,752.07 = 756,005.06/x - Step 3: Cross multiply
1,367,865.47x = 1,887,752.07 × 756,005.06 - Step 4: Simplify right side
1,367,865.47x = 1,427,150,107,506.71 - Step 5: Solve for x
x = 1,427,150,107,506.71/1,367,865.47 - Step 6: Final answer
x = 1,043,340.99
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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.