Finding the Fourth Proportional to 1,486,090.10, 2,051,432.14 and 1,003,309.18
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Solution
The fourth proportional to 1,486,090.10, 2,051,432.14 and 1,003,309.18 is: 1,384,990.52
Step by Step Solution
- Step 1: Write the proportion equation
1,486,090.10 : 2,051,432.14 = 1,003,309.18 : x - Step 2: Convert to fraction form
1,486,090.10/2,051,432.14 = 1,003,309.18/x - Step 3: Cross multiply
1,486,090.10x = 2,051,432.14 × 1,003,309.18 - Step 4: Simplify right side
1,486,090.10x = 2,058,220,698,209.05 - Step 5: Solve for x
x = 2,058,220,698,209.05/1,486,090.10 - Step 6: Final answer
x = 1,384,990.52
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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.