Finding the Fourth Proportional to 1,894,587.19, 2,614,533.12 and 1,078,791.54
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Solution
The fourth proportional to 1,894,587.19, 2,614,533.12 and 1,078,791.54 is: 1,488,733.92
Step by Step Solution
- Step 1: Write the proportion equation
1,894,587.19 : 2,614,533.12 = 1,078,791.54 : x - Step 2: Convert to fraction form
1,894,587.19/2,614,533.12 = 1,078,791.54/x - Step 3: Cross multiply
1,894,587.19x = 2,614,533.12 × 1,078,791.54 - Step 4: Simplify right side
1,894,587.19x = 2,820,536,210,905.81 - Step 5: Solve for x
x = 2,820,536,210,905.81/1,894,587.19 - Step 6: Final answer
x = 1,488,733.92
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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.