Finding the Fourth Proportional to 5,155,612.58, 7,721,645.11 and 2,461,834.06
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Solution
The fourth proportional to 5,155,612.58, 7,721,645.11 and 2,461,834.06 is: 3,687,129.05
Step by Step Solution
- Step 1: Write the proportion equation
5,155,612.58 : 7,721,645.11 = 2,461,834.06 : x - Step 2: Convert to fraction form
5,155,612.58/7,721,645.11 = 2,461,834.06/x - Step 3: Cross multiply
5,155,612.58x = 7,721,645.11 × 2,461,834.06 - Step 4: Simplify right side
5,155,612.58x = 19,009,408,892,422.22 - Step 5: Solve for x
x = 19,009,408,892,422.22/5,155,612.58 - Step 6: Final answer
x = 3,687,129.05
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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.