Finding the Fourth Proportional to 7,575,619.68, 10,454,293.04 and 4,137,862.88
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Solution
The fourth proportional to 7,575,619.68, 10,454,293.04 and 4,137,862.88 is: 5,710,216.84
Step by Step Solution
- Step 1: Write the proportion equation
7,575,619.68 : 10,454,293.04 = 4,137,862.88 : x - Step 2: Convert to fraction form
7,575,619.68/10,454,293.04 = 4,137,862.88/x - Step 3: Cross multiply
7,575,619.68x = 10,454,293.04 × 4,137,862.88 - Step 4: Simplify right side
7,575,619.68x = 43,258,431,106,858.35 - Step 5: Solve for x
x = 43,258,431,106,858.35/7,575,619.68 - Step 6: Final answer
x = 5,710,216.84
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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.