Finding the Fourth Proportional to 3,470,637.05, 4,788,686.36 and 2,230,895.08
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Solution
The fourth proportional to 3,470,637.05, 4,788,686.36 and 2,230,895.08 is: 3,078,125.63
Step by Step Solution
- Step 1: Write the proportion equation
3,470,637.05 : 4,788,686.36 = 2,230,895.08 : x - Step 2: Convert to fraction form
3,470,637.05/4,788,686.36 = 2,230,895.08/x - Step 3: Cross multiply
3,470,637.05x = 4,788,686.36 × 2,230,895.08 - Step 4: Simplify right side
3,470,637.05x = 10,683,056,833,792.63 - Step 5: Solve for x
x = 10,683,056,833,792.63/3,470,637.05 - Step 6: Final answer
x = 3,078,125.63
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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.