Finding the Fourth Proportional to 1,486,771.19, 2,051,746.06 and 807,707.69
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Solution
The fourth proportional to 1,486,771.19, 2,051,746.06 and 807,707.69 is: 1,114,637.60
Step by Step Solution
- Step 1: Write the proportion equation
1,486,771.19 : 2,051,746.06 = 807,707.69 : x - Step 2: Convert to fraction form
1,486,771.19/2,051,746.06 = 807,707.69/x - Step 3: Cross multiply
1,486,771.19x = 2,051,746.06 × 807,707.69 - Step 4: Simplify right side
1,486,771.19x = 1,657,211,070,589.20 - Step 5: Solve for x
x = 1,657,211,070,589.20/1,486,771.19 - Step 6: Final answer
x = 1,114,637.60
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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.