Finding the Fourth Proportional to 1,551,210.21, 2,326,815.99 and 486,335.30
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Solution
The fourth proportional to 1,551,210.21, 2,326,815.99 and 486,335.30 is: 729,503.17
Step by Step Solution
- Step 1: Write the proportion equation
1,551,210.21 : 2,326,815.99 = 486,335.30 : x - Step 2: Convert to fraction form
1,551,210.21/2,326,815.99 = 486,335.30/x - Step 3: Cross multiply
1,551,210.21x = 2,326,815.99 × 486,335.30 - Step 4: Simplify right side
1,551,210.21x = 1,131,612,758,358.49 - Step 5: Solve for x
x = 1,131,612,758,358.49/1,551,210.21 - Step 6: Final answer
x = 729,503.17
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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.