Finding the Fourth Proportional to 1,994,898.16, 2,992,767.56 and 646,955.66
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Solution
The fourth proportional to 1,994,898.16, 2,992,767.56 and 646,955.66 is: 970,569.80
Step by Step Solution
- Step 1: Write the proportion equation
1,994,898.16 : 2,992,767.56 = 646,955.66 : x - Step 2: Convert to fraction form
1,994,898.16/2,992,767.56 = 646,955.66/x - Step 3: Cross multiply
1,994,898.16x = 2,992,767.56 × 646,955.66 - Step 4: Simplify right side
1,994,898.16x = 1,936,187,916,253.53 - Step 5: Solve for x
x = 1,936,187,916,253.53/1,994,898.16 - Step 6: Final answer
x = 970,569.80
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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.