Finding the Fourth Proportional to 1,664,659.68, 2,297,223.84 and 900,713.76
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Solution
The fourth proportional to 1,664,659.68, 2,297,223.84 and 900,713.76 is: 1,242,981.46
Step by Step Solution
- Step 1: Write the proportion equation
1,664,659.68 : 2,297,223.84 = 900,713.76 : x - Step 2: Convert to fraction form
1,664,659.68/2,297,223.84 = 900,713.76/x - Step 3: Cross multiply
1,664,659.68x = 2,297,223.84 × 900,713.76 - Step 4: Simplify right side
1,664,659.68x = 2,069,141,122,488.04 - Step 5: Solve for x
x = 2,069,141,122,488.04/1,664,659.68 - Step 6: Final answer
x = 1,242,981.46
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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.