Finding the Fourth Proportional to 1,873,416.08, 2,585,376.78 and 1,148,123.68
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Solution
The fourth proportional to 1,873,416.08, 2,585,376.78 and 1,148,123.68 is: 1,584,449.04
Step by Step Solution
- Step 1: Write the proportion equation
1,873,416.08 : 2,585,376.78 = 1,148,123.68 : x - Step 2: Convert to fraction form
1,873,416.08/2,585,376.78 = 1,148,123.68/x - Step 3: Cross multiply
1,873,416.08x = 2,585,376.78 × 1,148,123.68 - Step 4: Simplify right side
1,873,416.08x = 2,968,332,302,840.15 - Step 5: Solve for x
x = 2,968,332,302,840.15/1,873,416.08 - Step 6: Final answer
x = 1,584,449.04
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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.