Finding the Fourth Proportional to 1,507,548.84, 2,080,430.40 and 819,220.56
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Solution
The fourth proportional to 1,507,548.84, 2,080,430.40 and 819,220.56 is: 1,130,531.44
Step by Step Solution
- Step 1: Write the proportion equation
1,507,548.84 : 2,080,430.40 = 819,220.56 : x - Step 2: Convert to fraction form
1,507,548.84/2,080,430.40 = 819,220.56/x - Step 3: Cross multiply
1,507,548.84x = 2,080,430.40 × 819,220.56 - Step 4: Simplify right side
1,507,548.84x = 1,704,331,357,329.02 - Step 5: Solve for x
x = 1,704,331,357,329.02/1,507,548.84 - Step 6: Final answer
x = 1,130,531.44
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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.