Finding the Fourth Proportional to 2,792,038.74, 4,187,559.12 and 742,710.42
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Solution
The fourth proportional to 2,792,038.74, 4,187,559.12 and 742,710.42 is: 1,113,932.89
Step by Step Solution
- Step 1: Write the proportion equation
2,792,038.74 : 4,187,559.12 = 742,710.42 : x - Step 2: Convert to fraction form
2,792,038.74/4,187,559.12 = 742,710.42/x - Step 3: Cross multiply
2,792,038.74x = 4,187,559.12 × 742,710.42 - Step 4: Simplify right side
2,792,038.74x = 3,110,143,792,790.03 - Step 5: Solve for x
x = 3,110,143,792,790.03/2,792,038.74 - Step 6: Final answer
x = 1,113,932.89
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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.