Finding the Fourth Proportional to 2,237,394.66, 3,087,374.49 and 1,257,178.02
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Solution
The fourth proportional to 2,237,394.66, 3,087,374.49 and 1,257,178.02 is: 1,734,776.35
Step by Step Solution
- Step 1: Write the proportion equation
2,237,394.66 : 3,087,374.49 = 1,257,178.02 : x - Step 2: Convert to fraction form
2,237,394.66/3,087,374.49 = 1,257,178.02/x - Step 3: Cross multiply
2,237,394.66x = 3,087,374.49 × 1,257,178.02 - Step 4: Simplify right side
2,237,394.66x = 3,881,379,348,336.71 - Step 5: Solve for x
x = 3,881,379,348,336.71/2,237,394.66 - Step 6: Final answer
x = 1,734,776.35
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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.