Finding the Fourth Proportional to 1,872,709.99, 2,584,412.97 and 1,056,941.89
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Solution
The fourth proportional to 1,872,709.99, 2,584,412.97 and 1,056,941.89 is: 1,458,621.11
Step by Step Solution
- Step 1: Write the proportion equation
1,872,709.99 : 2,584,412.97 = 1,056,941.89 : x - Step 2: Convert to fraction form
1,872,709.99/2,584,412.97 = 1,056,941.89/x - Step 3: Cross multiply
1,872,709.99x = 2,584,412.97 × 1,056,941.89 - Step 4: Simplify right side
1,872,709.99x = 2,731,574,316,130.25 - Step 5: Solve for x
x = 2,731,574,316,130.25/1,872,709.99 - Step 6: Final answer
x = 1,458,621.11
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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.