Finding the Fourth Proportional to 1,768,785.63, 2,653,153.74 and 1,009,005.63
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Solution
The fourth proportional to 1,768,785.63, 2,653,153.74 and 1,009,005.63 is: 1,513,494.35
Step by Step Solution
- Step 1: Write the proportion equation
1,768,785.63 : 2,653,153.74 = 1,009,005.63 : x - Step 2: Convert to fraction form
1,768,785.63/2,653,153.74 = 1,009,005.63/x - Step 3: Cross multiply
1,768,785.63x = 2,653,153.74 × 1,009,005.63 - Step 4: Simplify right side
1,768,785.63x = 2,677,047,060,915.56 - Step 5: Solve for x
x = 2,677,047,060,915.56/1,768,785.63 - Step 6: Final answer
x = 1,513,494.35
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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.