Finding the Fourth Proportional to 1,565,077.57, 2,159,768.08 and 876,744.87
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Solution
The fourth proportional to 1,565,077.57, 2,159,768.08 and 876,744.87 is: 1,209,886.09
Step by Step Solution
- Step 1: Write the proportion equation
1,565,077.57 : 2,159,768.08 = 876,744.87 : x - Step 2: Convert to fraction form
1,565,077.57/2,159,768.08 = 876,744.87/x - Step 3: Cross multiply
1,565,077.57x = 2,159,768.08 × 876,744.87 - Step 4: Simplify right side
1,565,077.57x = 1,893,565,584,529.75 - Step 5: Solve for x
x = 1,893,565,584,529.75/1,565,077.57 - Step 6: Final answer
x = 1,209,886.09
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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.