Finding the Fourth Proportional to 1,487,533.56, 2,052,786.66 and 808,470.06
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Solution
The fourth proportional to 1,487,533.56, 2,052,786.66 and 808,470.06 is: 1,115,683.44
Step by Step Solution
- Step 1: Write the proportion equation
1,487,533.56 : 2,052,786.66 = 808,470.06 : x - Step 2: Convert to fraction form
1,487,533.56/2,052,786.66 = 808,470.06/x - Step 3: Cross multiply
1,487,533.56x = 2,052,786.66 × 808,470.06 - Step 4: Simplify right side
1,487,533.56x = 1,659,616,554,177.40 - Step 5: Solve for x
x = 1,659,616,554,177.40/1,487,533.56 - Step 6: Final answer
x = 1,115,683.44
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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.