Finding the Fourth Proportional to 2,660,439.13, 3,671,420.78 and 1,453,215.13
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Solution
The fourth proportional to 2,660,439.13, 3,671,420.78 and 1,453,215.13 is: 2,005,444.95
Step by Step Solution
- Step 1: Write the proportion equation
2,660,439.13 : 3,671,420.78 = 1,453,215.13 : x - Step 2: Convert to fraction form
2,660,439.13/3,671,420.78 = 1,453,215.13/x - Step 3: Cross multiply
2,660,439.13x = 3,671,420.78 × 1,453,215.13 - Step 4: Simplify right side
2,660,439.13x = 5,335,364,226,092.40 - Step 5: Solve for x
x = 5,335,364,226,092.40/2,660,439.13 - Step 6: Final answer
x = 2,005,444.95
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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.