Finding the Fourth Proportional to 1,220,365.18, 1,830,566.81 and 462,003.09
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Solution
The fourth proportional to 1,220,365.18, 1,830,566.81 and 462,003.09 is: 693,011.84
Step by Step Solution
- Step 1: Write the proportion equation
1,220,365.18 : 1,830,566.81 = 462,003.09 : x - Step 2: Convert to fraction form
1,220,365.18/1,830,566.81 = 462,003.09/x - Step 3: Cross multiply
1,220,365.18x = 1,830,566.81 × 462,003.09 - Step 4: Simplify right side
1,220,365.18x = 845,727,522,671.44 - Step 5: Solve for x
x = 845,727,522,671.44/1,220,365.18 - Step 6: Final answer
x = 693,011.84
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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.