Finding the Fourth Proportional to 6,357,029.18, 8,772,638.36 and 3,456,420.04
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Solution
The fourth proportional to 6,357,029.18, 8,772,638.36 and 3,456,420.04 is: 4,769,825.99
Step by Step Solution
- Step 1: Write the proportion equation
6,357,029.18 : 8,772,638.36 = 3,456,420.04 : x - Step 2: Convert to fraction form
6,357,029.18/8,772,638.36 = 3,456,420.04/x - Step 3: Cross multiply
6,357,029.18x = 8,772,638.36 × 3,456,420.04 - Step 4: Simplify right side
6,357,029.18x = 30,321,923,031,176.73 - Step 5: Solve for x
x = 30,321,923,031,176.73/6,357,029.18 - Step 6: Final answer
x = 4,769,825.99
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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.