Finding the Fourth Proportional to 1,544,017.12, 2,130,742.16 and 864,958.48
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Solution
The fourth proportional to 1,544,017.12, 2,130,742.16 and 864,958.48 is: 1,193,641.88
Step by Step Solution
- Step 1: Write the proportion equation
1,544,017.12 : 2,130,742.16 = 864,958.48 : x - Step 2: Convert to fraction form
1,544,017.12/2,130,742.16 = 864,958.48/x - Step 3: Cross multiply
1,544,017.12x = 2,130,742.16 × 864,958.48 - Step 4: Simplify right side
1,544,017.12x = 1,843,003,499,985.52 - Step 5: Solve for x
x = 1,843,003,499,985.52/1,544,017.12 - Step 6: Final answer
x = 1,193,641.88
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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.