Finding the Fourth Proportional to 2,986,339.99, 4,479,526.39 and 742,477.99
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Solution
The fourth proportional to 2,986,339.99, 4,479,526.39 and 742,477.99 is: 1,113,721.06
Step by Step Solution
- Step 1: Write the proportion equation
2,986,339.99 : 4,479,526.39 = 742,477.99 : x - Step 2: Convert to fraction form
2,986,339.99/4,479,526.39 = 742,477.99/x - Step 3: Cross multiply
2,986,339.99x = 4,479,526.39 × 742,477.99 - Step 4: Simplify right side
2,986,339.99x = 3,325,949,748,342.96 - Step 5: Solve for x
x = 3,325,949,748,342.96/2,986,339.99 - Step 6: Final answer
x = 1,113,721.06
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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.