Finding the Fourth Proportional to 2,549,904.48, 3,518,878.68 and 1,531,326.24
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Solution
The fourth proportional to 2,549,904.48, 3,518,878.68 and 1,531,326.24 is: 2,113,236.52
Step by Step Solution
- Step 1: Write the proportion equation
2,549,904.48 : 3,518,878.68 = 1,531,326.24 : x - Step 2: Convert to fraction form
2,549,904.48/3,518,878.68 = 1,531,326.24/x - Step 3: Cross multiply
2,549,904.48x = 3,518,878.68 × 1,531,326.24 - Step 4: Simplify right side
2,549,904.48x = 5,388,551,258,060.56 - Step 5: Solve for x
x = 5,388,551,258,060.56/2,549,904.48 - Step 6: Final answer
x = 2,113,236.52
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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.