Finding the Fourth Proportional to 2,130,460.38, 2,940,130.71 and 1,163,598.48
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Solution
The fourth proportional to 2,130,460.38, 2,940,130.71 and 1,163,598.48 is: 1,605,818.00
Step by Step Solution
- Step 1: Write the proportion equation
2,130,460.38 : 2,940,130.71 = 1,163,598.48 : x - Step 2: Convert to fraction form
2,130,460.38/2,940,130.71 = 1,163,598.48/x - Step 3: Cross multiply
2,130,460.38x = 2,940,130.71 × 1,163,598.48 - Step 4: Simplify right side
2,130,460.38x = 3,421,131,625,157.32 - Step 5: Solve for x
x = 3,421,131,625,157.32/2,130,460.38 - Step 6: Final answer
x = 1,605,818.00
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1.5x scale
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.