Finding the Fourth Proportional to 1,908,113.08, 2,633,259.20 and 1,048,703.80
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Solution
The fourth proportional to 1,908,113.08, 2,633,259.20 and 1,048,703.80 is: 1,447,245.95
Step by Step Solution
- Step 1: Write the proportion equation
1,908,113.08 : 2,633,259.20 = 1,048,703.80 : x - Step 2: Convert to fraction form
1,908,113.08/2,633,259.20 = 1,048,703.80/x - Step 3: Cross multiply
1,908,113.08x = 2,633,259.20 × 1,048,703.80 - Step 4: Simplify right side
1,908,113.08x = 2,761,508,929,424.96 - Step 5: Solve for x
x = 2,761,508,929,424.96/1,908,113.08 - Step 6: Final answer
x = 1,447,245.95
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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.