Finding the Fourth Proportional to 1,186,529.91, 1,637,511.98 and 670,378.68
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Solution
The fourth proportional to 1,186,529.91, 1,637,511.98 and 670,378.68 is: 925,179.47
Step by Step Solution
- Step 1: Write the proportion equation
1,186,529.91 : 1,637,511.98 = 670,378.68 : x - Step 2: Convert to fraction form
1,186,529.91/1,637,511.98 = 670,378.68/x - Step 3: Cross multiply
1,186,529.91x = 1,637,511.98 × 670,378.68 - Step 4: Simplify right side
1,186,529.91x = 1,097,753,111,449.03 - Step 5: Solve for x
x = 1,097,753,111,449.03/1,186,529.91 - Step 6: Final answer
x = 925,179.47
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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.