Finding the Fourth Proportional to 1,698,617.94, 2,534,318.63 and 1,355,463.06
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Solution
The fourth proportional to 1,698,617.94, 2,534,318.63 and 1,355,463.06 is: 2,022,335.45
Step by Step Solution
- Step 1: Write the proportion equation
1,698,617.94 : 2,534,318.63 = 1,355,463.06 : x - Step 2: Convert to fraction form
1,698,617.94/2,534,318.63 = 1,355,463.06/x - Step 3: Cross multiply
1,698,617.94x = 2,534,318.63 × 1,355,463.06 - Step 4: Simplify right side
1,698,617.94x = 3,435,175,278,457.49 - Step 5: Solve for x
x = 3,435,175,278,457.49/1,698,617.94 - Step 6: Final answer
x = 2,022,335.45
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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.