Finding the Fourth Proportional to 1,586,437.01, 2,189,283.07 and 861,284.71
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Solution
The fourth proportional to 1,586,437.01, 2,189,283.07 and 861,284.71 is: 1,188,572.90
Step by Step Solution
- Step 1: Write the proportion equation
1,586,437.01 : 2,189,283.07 = 861,284.71 : x - Step 2: Convert to fraction form
1,586,437.01/2,189,283.07 = 861,284.71/x - Step 3: Cross multiply
1,586,437.01x = 2,189,283.07 × 861,284.71 - Step 4: Simplify right side
1,586,437.01x = 1,885,596,029,746.44 - Step 5: Solve for x
x = 1,885,596,029,746.44/1,586,437.01 - Step 6: Final answer
x = 1,188,572.90
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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.