Finding the Fourth Proportional to 1,872,918.94, 2,584,632.64 and 1,013,488.42
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Solution
The fourth proportional to 1,872,918.94, 2,584,632.64 and 1,013,488.42 is: 1,398,616.46
Step by Step Solution
- Step 1: Write the proportion equation
1,872,918.94 : 2,584,632.64 = 1,013,488.42 : x - Step 2: Convert to fraction form
1,872,918.94/2,584,632.64 = 1,013,488.42/x - Step 3: Cross multiply
1,872,918.94x = 2,584,632.64 × 1,013,488.42 - Step 4: Simplify right side
1,872,918.94x = 2,619,495,250,594.03 - Step 5: Solve for x
x = 2,619,495,250,594.03/1,872,918.94 - Step 6: Final answer
x = 1,398,616.46
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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.