Finding the Fourth Proportional to 1,994,706.09, 2,992,479.52 and 646,763.62
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Solution
The fourth proportional to 1,994,706.09, 2,992,479.52 and 646,763.62 is: 970,281.74
Step by Step Solution
- Step 1: Write the proportion equation
1,994,706.09 : 2,992,479.52 = 646,763.62 : x - Step 2: Convert to fraction form
1,994,706.09/2,992,479.52 = 646,763.62/x - Step 3: Cross multiply
1,994,706.09x = 2,992,479.52 × 646,763.62 - Step 4: Simplify right side
1,994,706.09x = 1,935,426,887,131.06 - Step 5: Solve for x
x = 1,935,426,887,131.06/1,994,706.09 - Step 6: Final answer
x = 970,281.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.