Finding the Fourth Proportional to 5,745,831.57, 7,929,271.58 and 3,167,455.77
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Solution
The fourth proportional to 5,745,831.57, 7,929,271.58 and 3,167,455.77 is: 4,371,102.20
Step by Step Solution
- Step 1: Write the proportion equation
5,745,831.57 : 7,929,271.58 = 3,167,455.77 : x - Step 2: Convert to fraction form
5,745,831.57/7,929,271.58 = 3,167,455.77/x - Step 3: Cross multiply
5,745,831.57x = 7,929,271.58 × 3,167,455.77 - Step 4: Simplify right side
5,745,831.57x = 25,115,617,002,130.74 - Step 5: Solve for x
x = 25,115,617,002,130.74/5,745,831.57 - Step 6: Final answer
x = 4,371,102.20
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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.