Finding the Fourth Proportional to 2,387,113.92, 3,294,259.20 and 1,299,416.76
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Solution
The fourth proportional to 2,387,113.92, 3,294,259.20 and 1,299,416.76 is: 1,793,217.99
Step by Step Solution
- Step 1: Write the proportion equation
2,387,113.92 : 3,294,259.20 = 1,299,416.76 : x - Step 2: Convert to fraction form
2,387,113.92/3,294,259.20 = 1,299,416.76/x - Step 3: Cross multiply
2,387,113.92x = 3,294,259.20 × 1,299,416.76 - Step 4: Simplify right side
2,387,113.92x = 4,280,615,616,264.19 - Step 5: Solve for x
x = 4,280,615,616,264.19/2,387,113.92 - Step 6: Final answer
x = 1,793,217.99
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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.