Finding the Fourth Proportional to 1,507,624.16, 2,080,541.62 and 819,309.68
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Solution
The fourth proportional to 1,507,624.16, 2,080,541.62 and 819,309.68 is: 1,130,658.37
Step by Step Solution
- Step 1: Write the proportion equation
1,507,624.16 : 2,080,541.62 = 819,309.68 : x - Step 2: Convert to fraction form
1,507,624.16/2,080,541.62 = 819,309.68/x - Step 3: Cross multiply
1,507,624.16x = 2,080,541.62 × 819,309.68 - Step 4: Simplify right side
1,507,624.16x = 1,704,607,876,457.90 - Step 5: Solve for x
x = 1,704,607,876,457.90/1,507,624.16 - Step 6: Final answer
x = 1,130,658.37
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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.