Finding the Fourth Proportional to 1,487,977.93, 2,053,570.12 and 843,328.94
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Solution
The fourth proportional to 1,487,977.93, 2,053,570.12 and 843,328.94 is: 1,163,884.94
Step by Step Solution
- Step 1: Write the proportion equation
1,487,977.93 : 2,053,570.12 = 843,328.94 : x - Step 2: Convert to fraction form
1,487,977.93/2,053,570.12 = 843,328.94/x - Step 3: Cross multiply
1,487,977.93x = 2,053,570.12 × 843,328.94 - Step 4: Simplify right side
1,487,977.93x = 1,731,835,100,139.10 - Step 5: Solve for x
x = 1,731,835,100,139.10/1,487,977.93 - Step 6: Final answer
x = 1,163,884.94
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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.