Finding the Fourth Proportional to 2,038,026.24, 2,809,831.68 and 1,311,575.04
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Solution
The fourth proportional to 2,038,026.24, 2,809,831.68 and 1,311,575.04 is: 1,808,271.66
Step by Step Solution
- Step 1: Write the proportion equation
2,038,026.24 : 2,809,831.68 = 1,311,575.04 : x - Step 2: Convert to fraction form
2,038,026.24/2,809,831.68 = 1,311,575.04/x - Step 3: Cross multiply
2,038,026.24x = 2,809,831.68 × 1,311,575.04 - Step 4: Simplify right side
2,038,026.24x = 3,685,305,098,089.27 - Step 5: Solve for x
x = 3,685,305,098,089.27/2,038,026.24 - Step 6: Final answer
x = 1,808,271.66
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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.