Finding the Fourth Proportional to 1,872,878.16, 2,584,567.80 and 1,013,438.10
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Solution
The fourth proportional to 1,872,878.16, 2,584,567.80 and 1,013,438.10 is: 1,398,542.38
Step by Step Solution
- Step 1: Write the proportion equation
1,872,878.16 : 2,584,567.80 = 1,013,438.10 : x - Step 2: Convert to fraction form
1,872,878.16/2,584,567.80 = 1,013,438.10/x - Step 3: Cross multiply
1,872,878.16x = 2,584,567.80 × 1,013,438.10 - Step 4: Simplify right side
1,872,878.16x = 2,619,299,480,553.18 - Step 5: Solve for x
x = 2,619,299,480,553.18/1,872,878.16 - Step 6: Final answer
x = 1,398,542.38
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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.