Finding the Fourth Proportional to 2,011,621.93, 2,775,358.84 and 1,140,363.19
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Solution
The fourth proportional to 2,011,621.93, 2,775,358.84 and 1,140,363.19 is: 1,573,316.05
Step by Step Solution
- Step 1: Write the proportion equation
2,011,621.93 : 2,775,358.84 = 1,140,363.19 : x - Step 2: Convert to fraction form
2,011,621.93/2,775,358.84 = 1,140,363.19/x - Step 3: Cross multiply
2,011,621.93x = 2,775,358.84 × 1,140,363.19 - Step 4: Simplify right side
2,011,621.93x = 3,164,917,060,177.10 - Step 5: Solve for x
x = 3,164,917,060,177.10/2,011,621.93 - Step 6: Final answer
x = 1,573,316.05
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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.