Finding the Fourth Proportional to 4,974,368.88, 7,461,565.48 and 1,380,328.88
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Solution
The fourth proportional to 4,974,368.88, 7,461,565.48 and 1,380,328.88 is: 2,070,496.69
Step by Step Solution
- Step 1: Write the proportion equation
4,974,368.88 : 7,461,565.48 = 1,380,328.88 : x - Step 2: Convert to fraction form
4,974,368.88/7,461,565.48 = 1,380,328.88/x - Step 3: Cross multiply
4,974,368.88x = 7,461,565.48 × 1,380,328.88 - Step 4: Simplify right side
4,974,368.88x = 10,299,414,322,055.06 - Step 5: Solve for x
x = 10,299,414,322,055.06/4,974,368.88 - Step 6: Final answer
x = 2,070,496.69
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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.