Finding the Fourth Proportional to 2,652,202.40, 3,973,618.80 and 2,564,496.80
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Solution
The fourth proportional to 2,652,202.40, 3,973,618.80 and 2,564,496.80 is: 3,842,215.32
Step by Step Solution
- Step 1: Write the proportion equation
2,652,202.40 : 3,973,618.80 = 2,564,496.80 : x - Step 2: Convert to fraction form
2,652,202.40/3,973,618.80 = 2,564,496.80/x - Step 3: Cross multiply
2,652,202.40x = 3,973,618.80 × 2,564,496.80 - Step 4: Simplify right side
2,652,202.40x = 10,190,332,697,019.84 - Step 5: Solve for x
x = 10,190,332,697,019.84/2,652,202.40 - Step 6: Final answer
x = 3,842,215.32
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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.