Finding the Fourth Proportional to 2,130,643.41, 2,940,270.44 and 1,163,774.31
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Solution
The fourth proportional to 2,130,643.41, 2,940,270.44 and 1,163,774.31 is: 1,605,999.01
Step by Step Solution
- Step 1: Write the proportion equation
2,130,643.41 : 2,940,270.44 = 1,163,774.31 : x - Step 2: Convert to fraction form
2,130,643.41/2,940,270.44 = 1,163,774.31/x - Step 3: Cross multiply
2,130,643.41x = 2,940,270.44 × 1,163,774.31 - Step 4: Simplify right side
2,130,643.41x = 3,421,811,196,705.53 - Step 5: Solve for x
x = 3,421,811,196,705.53/2,130,643.41 - Step 6: Final answer
x = 1,605,999.01
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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.