Finding the Fourth Proportional to 1,872,556.34, 2,584,126.87 and 1,056,931.09
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Solution
The fourth proportional to 1,872,556.34, 2,584,126.87 and 1,056,931.09 is: 1,458,564.41
Step by Step Solution
- Step 1: Write the proportion equation
1,872,556.34 : 2,584,126.87 = 1,056,931.09 : x - Step 2: Convert to fraction form
1,872,556.34/2,584,126.87 = 1,056,931.09/x - Step 3: Cross multiply
1,872,556.34x = 2,584,126.87 × 1,056,931.09 - Step 4: Simplify right side
1,872,556.34x = 2,731,244,020,304.74 - Step 5: Solve for x
x = 2,731,244,020,304.74/1,872,556.34 - Step 6: Final answer
x = 1,458,564.41
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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.