Finding the Fourth Proportional to 3,418,980.41, 5,128,328.05 and 894,579.77
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Solution
The fourth proportional to 3,418,980.41, 5,128,328.05 and 894,579.77 is: 1,341,832.35
Step by Step Solution
- Step 1: Write the proportion equation
3,418,980.41 : 5,128,328.05 = 894,579.77 : x - Step 2: Convert to fraction form
3,418,980.41/5,128,328.05 = 894,579.77/x - Step 3: Cross multiply
3,418,980.41x = 5,128,328.05 × 894,579.77 - Step 4: Simplify right side
3,418,980.41x = 4,587,698,527,453.55 - Step 5: Solve for x
x = 4,587,698,527,453.55/3,418,980.41 - Step 6: Final answer
x = 1,341,832.35
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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.