Finding the Fourth Proportional to 4,155,918.23, 6,233,876.98 and 2,106,259.54
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Solution
The fourth proportional to 4,155,918.23, 6,233,876.98 and 2,106,259.54 is: 3,159,389.12
Step by Step Solution
- Step 1: Write the proportion equation
4,155,918.23 : 6,233,876.98 = 2,106,259.54 : x - Step 2: Convert to fraction form
4,155,918.23/6,233,876.98 = 2,106,259.54/x - Step 3: Cross multiply
4,155,918.23x = 6,233,876.98 × 2,106,259.54 - Step 4: Simplify right side
4,155,918.23x = 13,130,162,839,461.05 - Step 5: Solve for x
x = 13,130,162,839,461.05/4,155,918.23 - Step 6: Final answer
x = 3,159,389.12
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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.