Finding the Fourth Proportional to 5,417,267.09, 8,128,563.31 and 2,178,675.48
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Solution
The fourth proportional to 5,417,267.09, 8,128,563.31 and 2,178,675.48 is: 3,269,084.07
Step by Step Solution
- Step 1: Write the proportion equation
5,417,267.09 : 8,128,563.31 = 2,178,675.48 : x - Step 2: Convert to fraction form
5,417,267.09/8,128,563.31 = 2,178,675.48/x - Step 3: Cross multiply
5,417,267.09x = 8,128,563.31 × 2,178,675.48 - Step 4: Simplify right side
5,417,267.09x = 17,709,501,519,588.45 - Step 5: Solve for x
x = 17,709,501,519,588.45/5,417,267.09 - Step 6: Final answer
x = 3,269,084.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.