Finding the Fourth Proportional to 1,488,966.28, 2,055,138.44 and 844,763.56
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Solution
The fourth proportional to 1,488,966.28, 2,055,138.44 and 844,763.56 is: 1,165,980.78
Step by Step Solution
- Step 1: Write the proportion equation
1,488,966.28 : 2,055,138.44 = 844,763.56 : x - Step 2: Convert to fraction form
1,488,966.28/2,055,138.44 = 844,763.56/x - Step 3: Cross multiply
1,488,966.28x = 2,055,138.44 × 844,763.56 - Step 4: Simplify right side
1,488,966.28x = 1,736,106,064,867.25 - Step 5: Solve for x
x = 1,736,106,064,867.25/1,488,966.28 - Step 6: Final answer
x = 1,165,980.78
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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.