Finding the Fourth Proportional to 1,617,698.16, 2,232,621.17 and 929,368.74
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Solution
The fourth proportional to 1,617,698.16, 2,232,621.17 and 929,368.74 is: 1,282,642.44
Step by Step Solution
- Step 1: Write the proportion equation
1,617,698.16 : 2,232,621.17 = 929,368.74 : x - Step 2: Convert to fraction form
1,617,698.16/2,232,621.17 = 929,368.74/x - Step 3: Cross multiply
1,617,698.16x = 2,232,621.17 × 929,368.74 - Step 4: Simplify right side
1,617,698.16x = 2,074,928,319,013.38 - Step 5: Solve for x
x = 2,074,928,319,013.38/1,617,698.16 - Step 6: Final answer
x = 1,282,642.44
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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.