Finding the Fourth Proportional to 1,688,078.88, 2,329,576.74 and 953,071.92
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Solution
The fourth proportional to 1,688,078.88, 2,329,576.74 and 953,071.92 is: 1,315,254.99
Step by Step Solution
- Step 1: Write the proportion equation
1,688,078.88 : 2,329,576.74 = 953,071.92 : x - Step 2: Convert to fraction form
1,688,078.88/2,329,576.74 = 953,071.92/x - Step 3: Cross multiply
1,688,078.88x = 2,329,576.74 × 953,071.92 - Step 4: Simplify right side
1,688,078.88x = 2,220,254,176,379.14 - Step 5: Solve for x
x = 2,220,254,176,379.14/1,688,078.88 - Step 6: Final answer
x = 1,315,254.99
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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.