Finding the Fourth Proportional to 3,445,423.92, 4,754,646.36 and 1,896,652.49
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Solution
The fourth proportional to 3,445,423.92, 4,754,646.36 and 1,896,652.49 is: 2,617,359.15
Step by Step Solution
- Step 1: Write the proportion equation
3,445,423.92 : 4,754,646.36 = 1,896,652.49 : x - Step 2: Convert to fraction form
3,445,423.92/4,754,646.36 = 1,896,652.49/x - Step 3: Cross multiply
3,445,423.92x = 4,754,646.36 × 1,896,652.49 - Step 4: Simplify right side
3,445,423.92x = 9,017,911,833,990.21 - Step 5: Solve for x
x = 9,017,911,833,990.21/3,445,423.92 - Step 6: Final answer
x = 2,617,359.15
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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.