Finding the Fourth Proportional to 1,668,905.20, 2,502,251.74 and 603,808.66
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Solution
The fourth proportional to 1,668,905.20, 2,502,251.74 and 603,808.66 is: 905,312.82
Step by Step Solution
- Step 1: Write the proportion equation
1,668,905.20 : 2,502,251.74 = 603,808.66 : x - Step 2: Convert to fraction form
1,668,905.20/2,502,251.74 = 603,808.66/x - Step 3: Cross multiply
1,668,905.20x = 2,502,251.74 × 603,808.66 - Step 4: Simplify right side
1,668,905.20x = 1,510,881,270,112.07 - Step 5: Solve for x
x = 1,510,881,270,112.07/1,668,905.20 - Step 6: Final answer
x = 905,312.82
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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.