Finding the Fourth Proportional to 2,345,587.88, 3,236,889.40 and 1,326,992.63
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Solution
The fourth proportional to 2,345,587.88, 3,236,889.40 and 1,326,992.63 is: 1,831,237.45
Step by Step Solution
- Step 1: Write the proportion equation
2,345,587.88 : 3,236,889.40 = 1,326,992.63 : x - Step 2: Convert to fraction form
2,345,587.88/3,236,889.40 = 1,326,992.63/x - Step 3: Cross multiply
2,345,587.88x = 3,236,889.40 × 1,326,992.63 - Step 4: Simplify right side
2,345,587.88x = 4,295,328,358,423.19 - Step 5: Solve for x
x = 4,295,328,358,423.19/2,345,587.88 - Step 6: Final answer
x = 1,831,237.45
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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.