Finding the Fourth Proportional to 1,669,029.73, 2,303,261.63 and 905,083.09
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Solution
The fourth proportional to 1,669,029.73, 2,303,261.63 and 905,083.09 is: 1,249,014.99
Step by Step Solution
- Step 1: Write the proportion equation
1,669,029.73 : 2,303,261.63 = 905,083.09 : x - Step 2: Convert to fraction form
1,669,029.73/2,303,261.63 = 905,083.09/x - Step 3: Cross multiply
1,669,029.73x = 2,303,261.63 × 905,083.09 - Step 4: Simplify right side
1,669,029.73x = 2,084,643,153,158.84 - Step 5: Solve for x
x = 2,084,643,153,158.84/1,669,029.73 - Step 6: Final answer
x = 1,249,014.99
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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.