Finding the Fourth Proportional to 3,098,646.18, 4,276,235.57 and 1,722,047.91
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Solution
The fourth proportional to 3,098,646.18, 4,276,235.57 and 1,722,047.91 is: 2,376,483.82
Step by Step Solution
- Step 1: Write the proportion equation
3,098,646.18 : 4,276,235.57 = 1,722,047.91 : x - Step 2: Convert to fraction form
3,098,646.18/4,276,235.57 = 1,722,047.91/x - Step 3: Cross multiply
3,098,646.18x = 4,276,235.57 × 1,722,047.91 - Step 4: Simplify right side
3,098,646.18x = 7,363,882,525,986.16 - Step 5: Solve for x
x = 7,363,882,525,986.16/3,098,646.18 - Step 6: Final answer
x = 2,376,483.82
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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.