Finding the Fourth Proportional to 4,128,259.37, 6,182,961.26 and 1,970,802.09
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Solution
The fourth proportional to 4,128,259.37, 6,182,961.26 and 1,970,802.09 is: 2,951,702.37
Step by Step Solution
- Step 1: Write the proportion equation
4,128,259.37 : 6,182,961.26 = 1,970,802.09 : x - Step 2: Convert to fraction form
4,128,259.37/6,182,961.26 = 1,970,802.09/x - Step 3: Cross multiply
4,128,259.37x = 6,182,961.26 × 1,970,802.09 - Step 4: Simplify right side
4,128,259.37x = 12,185,392,963,743.02 - Step 5: Solve for x
x = 12,185,392,963,743.02/4,128,259.37 - Step 6: Final answer
x = 2,951,702.37
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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.