Finding the Fourth Proportional to 1,878,567.18, 2,815,608.74 and 1,025,853.49
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Solution
The fourth proportional to 1,878,567.18, 2,815,608.74 and 1,025,853.49 is: 1,537,555.90
Step by Step Solution
- Step 1: Write the proportion equation
1,878,567.18 : 2,815,608.74 = 1,025,853.49 : x - Step 2: Convert to fraction form
1,878,567.18/2,815,608.74 = 1,025,853.49/x - Step 3: Cross multiply
1,878,567.18x = 2,815,608.74 × 1,025,853.49 - Step 4: Simplify right side
1,878,567.18x = 2,888,402,047,274.24 - Step 5: Solve for x
x = 2,888,402,047,274.24/1,878,567.18 - Step 6: Final answer
x = 1,537,555.90
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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.