Finding the Fourth Proportional to 1,653,368.64, 2,281,491.12 and 928,050.12
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Solution
The fourth proportional to 1,653,368.64, 2,281,491.12 and 928,050.12 is: 1,280,620.70
Step by Step Solution
- Step 1: Write the proportion equation
1,653,368.64 : 2,281,491.12 = 928,050.12 : x - Step 2: Convert to fraction form
1,653,368.64/2,281,491.12 = 928,050.12/x - Step 3: Cross multiply
1,653,368.64x = 2,281,491.12 × 928,050.12 - Step 4: Simplify right side
1,653,368.64x = 2,117,338,107,694.93 - Step 5: Solve for x
x = 2,117,338,107,694.93/1,653,368.64 - Step 6: Final answer
x = 1,280,620.70
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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.