Finding the Fourth Proportional to 1,449,421.52, 2,000,386.26 and 876,465.80
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Solution
The fourth proportional to 1,449,421.52, 2,000,386.26 and 876,465.80 is: 1,209,634.41
Step by Step Solution
- Step 1: Write the proportion equation
1,449,421.52 : 2,000,386.26 = 876,465.80 : x - Step 2: Convert to fraction form
1,449,421.52/2,000,386.26 = 876,465.80/x - Step 3: Cross multiply
1,449,421.52x = 2,000,386.26 × 876,465.80 - Step 4: Simplify right side
1,449,421.52x = 1,753,270,143,679.91 - Step 5: Solve for x
x = 1,753,270,143,679.91/1,449,421.52 - Step 6: Final answer
x = 1,209,634.41
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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.