Finding the Fourth Proportional to 2,219,989.20, 3,063,594.80 and 1,201,394.08
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Solution
The fourth proportional to 2,219,989.20, 3,063,594.80 and 1,201,394.08 is: 1,657,929.08
Step by Step Solution
- Step 1: Write the proportion equation
2,219,989.20 : 3,063,594.80 = 1,201,394.08 : x - Step 2: Convert to fraction form
2,219,989.20/3,063,594.80 = 1,201,394.08/x - Step 3: Cross multiply
2,219,989.20x = 3,063,594.80 × 1,201,394.08 - Step 4: Simplify right side
2,219,989.20x = 3,680,584,656,238.78 - Step 5: Solve for x
x = 3,680,584,656,238.78/2,219,989.20 - Step 6: Final answer
x = 1,657,929.08
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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.