Finding the Fourth Proportional to 2,387,309.74, 3,294,478.11 and 1,299,641.74
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Solution
The fourth proportional to 2,387,309.74, 3,294,478.11 and 1,299,641.74 is: 1,793,500.52
Step by Step Solution
- Step 1: Write the proportion equation
2,387,309.74 : 3,294,478.11 = 1,299,641.74 : x - Step 2: Convert to fraction form
2,387,309.74/3,294,478.11 = 1,299,641.74/x - Step 3: Cross multiply
2,387,309.74x = 3,294,478.11 × 1,299,641.74 - Step 4: Simplify right side
2,387,309.74x = 4,281,641,263,272.31 - Step 5: Solve for x
x = 4,281,641,263,272.31/2,387,309.74 - Step 6: Final answer
x = 1,793,500.52
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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.