Finding the Fourth Proportional to 1,455,497.80, 2,183,246.70 and 825,641.80
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Solution
The fourth proportional to 1,455,497.80, 2,183,246.70 and 825,641.80 is: 1,238,462.70
Step by Step Solution
- Step 1: Write the proportion equation
1,455,497.80 : 2,183,246.70 = 825,641.80 : x - Step 2: Convert to fraction form
1,455,497.80/2,183,246.70 = 825,641.80/x - Step 3: Cross multiply
1,455,497.80x = 2,183,246.70 × 825,641.80 - Step 4: Simplify right side
1,455,497.80x = 1,802,579,735,232.06 - Step 5: Solve for x
x = 1,802,579,735,232.06/1,455,497.80 - Step 6: Final answer
x = 1,238,462.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.