Finding the Fourth Proportional to 1,583,073.31, 2,184,643.03 and 857,920.99
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Solution
The fourth proportional to 1,583,073.31, 2,184,643.03 and 857,920.99 is: 1,183,931.98
Step by Step Solution
- Step 1: Write the proportion equation
1,583,073.31 : 2,184,643.03 = 857,920.99 : x - Step 2: Convert to fraction form
1,583,073.31/2,184,643.03 = 857,920.99/x - Step 3: Cross multiply
1,583,073.31x = 2,184,643.03 × 857,920.99 - Step 4: Simplify right side
1,583,073.31x = 1,874,251,111,094.20 - Step 5: Solve for x
x = 1,874,251,111,094.20/1,583,073.31 - Step 6: Final answer
x = 1,183,931.98
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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.