Finding the Fourth Proportional to 4,455,178.77, 6,685,579.42 and 1,896,389.69
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Solution
The fourth proportional to 4,455,178.77, 6,685,579.42 and 1,896,389.69 is: 2,845,781.17
Step by Step Solution
- Step 1: Write the proportion equation
4,455,178.77 : 6,685,579.42 = 1,896,389.69 : x - Step 2: Convert to fraction form
4,455,178.77/6,685,579.42 = 1,896,389.69/x - Step 3: Cross multiply
4,455,178.77x = 6,685,579.42 × 1,896,389.69 - Step 4: Simplify right side
4,455,178.77x = 12,678,463,845,595.31 - Step 5: Solve for x
x = 12,678,463,845,595.31/4,455,178.77 - Step 6: Final answer
x = 2,845,781.17
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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.