Finding the Fourth Proportional to 2,907,595.42, 4,012,392.36 and 1,618,402.66
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Solution
The fourth proportional to 2,907,595.42, 4,012,392.36 and 1,618,402.66 is: 2,233,345.95
Step by Step Solution
- Step 1: Write the proportion equation
2,907,595.42 : 4,012,392.36 = 1,618,402.66 : x - Step 2: Convert to fraction form
2,907,595.42/4,012,392.36 = 1,618,402.66/x - Step 3: Cross multiply
2,907,595.42x = 4,012,392.36 × 1,618,402.66 - Step 4: Simplify right side
2,907,595.42x = 6,493,666,468,387.68 - Step 5: Solve for x
x = 6,493,666,468,387.68/2,907,595.42 - Step 6: Final answer
x = 2,233,345.95
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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.