Finding the Fourth Proportional to 1,688,232.98, 2,329,125.44 and 1,107,776.18
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Solution
The fourth proportional to 1,688,232.98, 2,329,125.44 and 1,107,776.18 is: 1,528,313.75
Step by Step Solution
- Step 1: Write the proportion equation
1,688,232.98 : 2,329,125.44 = 1,107,776.18 : x - Step 2: Convert to fraction form
1,688,232.98/2,329,125.44 = 1,107,776.18/x - Step 3: Cross multiply
1,688,232.98x = 2,329,125.44 × 1,107,776.18 - Step 4: Simplify right side
1,688,232.98x = 2,580,149,682,664.02 - Step 5: Solve for x
x = 2,580,149,682,664.02/1,688,232.98 - Step 6: Final answer
x = 1,528,313.75
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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.