Finding the Fourth Proportional to 3,430,406.79, 4,734,024.31 and 1,881,747.58
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Solution
The fourth proportional to 3,430,406.79, 4,734,024.31 and 1,881,747.58 is: 2,596,846.19
Step by Step Solution
- Step 1: Write the proportion equation
3,430,406.79 : 4,734,024.31 = 1,881,747.58 : x - Step 2: Convert to fraction form
3,430,406.79/4,734,024.31 = 1,881,747.58/x - Step 3: Cross multiply
3,430,406.79x = 4,734,024.31 × 1,881,747.58 - Step 4: Simplify right side
3,430,406.79x = 8,908,238,789,003.67 - Step 5: Solve for x
x = 8,908,238,789,003.67/3,430,406.79 - Step 6: Final answer
x = 2,596,846.19
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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.