Finding the Fourth Proportional to 1,546,148.84, 2,133,613.40 and 857,813.36
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Solution
The fourth proportional to 1,546,148.84, 2,133,613.40 and 857,813.36 is: 1,183,742.49
Step by Step Solution
- Step 1: Write the proportion equation
1,546,148.84 : 2,133,613.40 = 857,813.36 : x - Step 2: Convert to fraction form
1,546,148.84/2,133,613.40 = 857,813.36/x - Step 3: Cross multiply
1,546,148.84x = 2,133,613.40 × 857,813.36 - Step 4: Simplify right side
1,546,148.84x = 1,830,242,064,637.89 - Step 5: Solve for x
x = 1,830,242,064,637.89/1,546,148.84 - Step 6: Final answer
x = 1,183,742.49
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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.