Finding the Fourth Proportional to 2,430,248.40, 3,353,844.68 and 1,397,756.48
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Solution
The fourth proportional to 2,430,248.40, 3,353,844.68 and 1,397,756.48 is: 1,928,962.54
Step by Step Solution
- Step 1: Write the proportion equation
2,430,248.40 : 3,353,844.68 = 1,397,756.48 : x - Step 2: Convert to fraction form
2,430,248.40/3,353,844.68 = 1,397,756.48/x - Step 3: Cross multiply
2,430,248.40x = 3,353,844.68 × 1,397,756.48 - Step 4: Simplify right side
2,430,248.40x = 4,687,858,134,383.53 - Step 5: Solve for x
x = 4,687,858,134,383.53/2,430,248.40 - Step 6: Final answer
x = 1,928,962.54
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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.