Finding the Fourth Proportional to 1,625,814.18, 2,243,639.66 and 900,671.81
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Solution
The fourth proportional to 1,625,814.18, 2,243,639.66 and 900,671.81 is: 1,242,936.00
Step by Step Solution
- Step 1: Write the proportion equation
1,625,814.18 : 2,243,639.66 = 900,671.81 : x - Step 2: Convert to fraction form
1,625,814.18/2,243,639.66 = 900,671.81/x - Step 3: Cross multiply
1,625,814.18x = 2,243,639.66 × 900,671.81 - Step 4: Simplify right side
1,625,814.18x = 2,020,782,977,838.43 - Step 5: Solve for x
x = 2,020,782,977,838.43/1,625,814.18 - Step 6: Final answer
x = 1,242,936.00
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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.