Finding the Fourth Proportional to 1,315,519.99, 1,972,937.45 and 556,970.99
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Solution
The fourth proportional to 1,315,519.99, 1,972,937.45 and 556,970.99 is: 835,311.46
Step by Step Solution
- Step 1: Write the proportion equation
1,315,519.99 : 1,972,937.45 = 556,970.99 : x - Step 2: Convert to fraction form
1,315,519.99/1,972,937.45 = 556,970.99/x - Step 3: Cross multiply
1,315,519.99x = 1,972,937.45 × 556,970.99 - Step 4: Simplify right side
1,315,519.99x = 1,098,868,926,882.06 - Step 5: Solve for x
x = 1,098,868,926,882.06/1,315,519.99 - Step 6: Final answer
x = 835,311.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.