Finding the Fourth Proportional to 3,671,643.74, 5,507,464.59 and 1,147,298.99
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Solution
The fourth proportional to 3,671,643.74, 5,507,464.59 and 1,147,298.99 is: 1,720,948.16
Step by Step Solution
- Step 1: Write the proportion equation
3,671,643.74 : 5,507,464.59 = 1,147,298.99 : x - Step 2: Convert to fraction form
3,671,643.74/5,507,464.59 = 1,147,298.99/x - Step 3: Cross multiply
3,671,643.74x = 5,507,464.59 × 1,147,298.99 - Step 4: Simplify right side
3,671,643.74x = 6,318,708,534,030.44 - Step 5: Solve for x
x = 6,318,708,534,030.44/3,671,643.74 - Step 6: Final answer
x = 1,720,948.16
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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.