Finding the Fourth Proportional to 1,584,287.81, 2,186,317.69 and 859,135.31
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Solution
The fourth proportional to 1,584,287.81, 2,186,317.69 and 859,135.31 is: 1,185,607.01
Step by Step Solution
- Step 1: Write the proportion equation
1,584,287.81 : 2,186,317.69 = 859,135.31 : x - Step 2: Convert to fraction form
1,584,287.81/2,186,317.69 = 859,135.31/x - Step 3: Cross multiply
1,584,287.81x = 2,186,317.69 × 859,135.31 - Step 4: Simplify right side
1,584,287.81x = 1,878,342,726,356.63 - Step 5: Solve for x
x = 1,878,342,726,356.63/1,584,287.81 - Step 6: Final answer
x = 1,185,607.01
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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.