Finding the Fourth Proportional to 1,803,725.17, 2,489,135.34 and 1,018,705.17
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Solution
The fourth proportional to 1,803,725.17, 2,489,135.34 and 1,018,705.17 is: 1,405,810.09
Step by Step Solution
- Step 1: Write the proportion equation
1,803,725.17 : 2,489,135.34 = 1,018,705.17 : x - Step 2: Convert to fraction form
1,803,725.17/2,489,135.34 = 1,018,705.17/x - Step 3: Cross multiply
1,803,725.17x = 2,489,135.34 × 1,018,705.17 - Step 4: Simplify right side
1,803,725.17x = 2,535,695,039,687.71 - Step 5: Solve for x
x = 2,535,695,039,687.71/1,803,725.17 - Step 6: Final answer
x = 1,405,810.09
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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.