Finding the Fourth Proportional to 1,620,113.49, 2,235,564.99 and 894,917.70
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Solution
The fourth proportional to 1,620,113.49, 2,235,564.99 and 894,917.70 is: 1,234,880.58
Step by Step Solution
- Step 1: Write the proportion equation
1,620,113.49 : 2,235,564.99 = 894,917.70 : x - Step 2: Convert to fraction form
1,620,113.49/2,235,564.99 = 894,917.70/x - Step 3: Cross multiply
1,620,113.49x = 2,235,564.99 × 894,917.70 - Step 4: Simplify right side
1,620,113.49x = 2,000,646,679,051.32 - Step 5: Solve for x
x = 2,000,646,679,051.32/1,620,113.49 - Step 6: Final answer
x = 1,234,880.58
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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.