Finding the Fourth Proportional to 1,533,598.65, 2,116,356.67 and 835,878.68
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Solution
The fourth proportional to 1,533,598.65, 2,116,356.67 and 835,878.68 is: 1,153,507.42
Step by Step Solution
- Step 1: Write the proportion equation
1,533,598.65 : 2,116,356.67 = 835,878.68 : x - Step 2: Convert to fraction form
1,533,598.65/2,116,356.67 = 835,878.68/x - Step 3: Cross multiply
1,533,598.65x = 2,116,356.67 × 835,878.68 - Step 4: Simplify right side
1,533,598.65x = 1,769,017,418,128.20 - Step 5: Solve for x
x = 1,769,017,418,128.20/1,533,598.65 - Step 6: Final answer
x = 1,153,507.42
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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.