Finding the Fourth Proportional to 1,137,974.10, 1,698,659.70 and 994,321.63
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Solution
The fourth proportional to 1,137,974.10, 1,698,659.70 and 994,321.63 is: 1,484,228.93
Step by Step Solution
- Step 1: Write the proportion equation
1,137,974.10 : 1,698,659.70 = 994,321.63 : x - Step 2: Convert to fraction form
1,137,974.10/1,698,659.70 = 994,321.63/x - Step 3: Cross multiply
1,137,974.10x = 1,698,659.70 × 994,321.63 - Step 4: Simplify right side
1,137,974.10x = 1,689,014,080,827.47 - Step 5: Solve for x
x = 1,689,014,080,827.47/1,137,974.10 - Step 6: Final answer
x = 1,484,228.93
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.