Finding the Fourth Proportional to 1,361,720.04, 1,875,116.70 and 1,331,508.84
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Solution
The fourth proportional to 1,361,720.04, 1,875,116.70 and 1,331,508.84 is: 1,833,515.25
Step by Step Solution
- Step 1: Write the proportion equation
1,361,720.04 : 1,875,116.70 = 1,331,508.84 : x - Step 2: Convert to fraction form
1,361,720.04/1,875,116.70 = 1,331,508.84/x - Step 3: Cross multiply
1,361,720.04x = 1,875,116.70 × 1,331,508.84 - Step 4: Simplify right side
1,361,720.04x = 2,496,734,462,081.63 - Step 5: Solve for x
x = 2,496,734,462,081.63/1,361,720.04 - Step 6: Final answer
x = 1,833,515.25
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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.