Finding the Fourth Proportional to 1,472,308.11, 2,031,763.59 and 818,927.28
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Solution
The fourth proportional to 1,472,308.11, 2,031,763.59 and 818,927.28 is: 1,130,107.63
Step by Step Solution
- Step 1: Write the proportion equation
1,472,308.11 : 2,031,763.59 = 818,927.28 : x - Step 2: Convert to fraction form
1,472,308.11/2,031,763.59 = 818,927.28/x - Step 3: Cross multiply
1,472,308.11x = 2,031,763.59 × 818,927.28 - Step 4: Simplify right side
1,472,308.11x = 1,663,866,630,361.74 - Step 5: Solve for x
x = 1,663,866,630,361.74/1,472,308.11 - Step 6: Final answer
x = 1,130,107.63
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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.