Finding the Fourth Proportional to 2,972,811.24, 4,101,325.65 and 2,102,924.70
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Solution
The fourth proportional to 2,972,811.24, 4,101,325.65 and 2,102,924.70 is: 2,901,219.86
Step by Step Solution
- Step 1: Write the proportion equation
2,972,811.24 : 4,101,325.65 = 2,102,924.70 : x - Step 2: Convert to fraction form
2,972,811.24/4,101,325.65 = 2,102,924.70/x - Step 3: Cross multiply
2,972,811.24x = 4,101,325.65 × 2,102,924.70 - Step 4: Simplify right side
2,972,811.24x = 8,624,779,012,128.56 - Step 5: Solve for x
x = 8,624,779,012,128.56/2,972,811.24 - Step 6: Final answer
x = 2,901,219.86
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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.