Finding the Fourth Proportional to 1,683,707.12, 2,323,486.68 and 919,741.04
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Solution
The fourth proportional to 1,683,707.12, 2,323,486.68 and 919,741.04 is: 1,269,226.71
Step by Step Solution
- Step 1: Write the proportion equation
1,683,707.12 : 2,323,486.68 = 919,741.04 : x - Step 2: Convert to fraction form
1,683,707.12/2,323,486.68 = 919,741.04/x - Step 3: Cross multiply
1,683,707.12x = 2,323,486.68 × 919,741.04 - Step 4: Simplify right side
1,683,707.12x = 2,137,006,055,489.35 - Step 5: Solve for x
x = 2,137,006,055,489.35/1,683,707.12 - Step 6: Final answer
x = 1,269,226.71
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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.