Finding the Fourth Proportional to 4,774,368.70, 7,151,055.45 and 4,144,512.70
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Solution
The fourth proportional to 4,774,368.70, 7,151,055.45 and 4,144,512.70 is: 6,207,656.34
Step by Step Solution
- Step 1: Write the proportion equation
4,774,368.70 : 7,151,055.45 = 4,144,512.70 : x - Step 2: Convert to fraction form
4,774,368.70/7,151,055.45 = 4,144,512.70/x - Step 3: Cross multiply
4,774,368.70x = 7,151,055.45 × 4,144,512.70 - Step 4: Simplify right side
4,774,368.70x = 29,637,640,130,929.22 - Step 5: Solve for x
x = 29,637,640,130,929.22/4,774,368.70 - Step 6: Final answer
x = 6,207,656.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.