Finding the Fourth Proportional to 2,330,730.12, 3,216,467.70 and 1,312,171.32
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Solution
The fourth proportional to 2,330,730.12, 3,216,467.70 and 1,312,171.32 is: 1,810,830.28
Step by Step Solution
- Step 1: Write the proportion equation
2,330,730.12 : 3,216,467.70 = 1,312,171.32 : x - Step 2: Convert to fraction form
2,330,730.12/3,216,467.70 = 1,312,171.32/x - Step 3: Cross multiply
2,330,730.12x = 3,216,467.70 × 1,312,171.32 - Step 4: Simplify right side
2,330,730.12x = 4,220,556,667,646.36 - Step 5: Solve for x
x = 4,220,556,667,646.36/2,330,730.12 - Step 6: Final answer
x = 1,810,830.28
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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.