Finding the Fourth Proportional to 3,854,959.94, 5,781,178.64 and 1,804,985.98
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Solution
The fourth proportional to 3,854,959.94, 5,781,178.64 and 1,804,985.98 is: 2,706,888.41
Step by Step Solution
- Step 1: Write the proportion equation
3,854,959.94 : 5,781,178.64 = 1,804,985.98 : x - Step 2: Convert to fraction form
3,854,959.94/5,781,178.64 = 1,804,985.98/x - Step 3: Cross multiply
3,854,959.94x = 5,781,178.64 × 1,804,985.98 - Step 4: Simplify right side
3,854,959.94x = 10,434,946,383,134.99 - Step 5: Solve for x
x = 10,434,946,383,134.99/3,854,959.94 - Step 6: Final answer
x = 2,706,888.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.