Finding the Fourth Proportional to 3,119,637.12, 4,679,621.76 and 989,887.84
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Solution
The fourth proportional to 3,119,637.12, 4,679,621.76 and 989,887.84 is: 1,484,884.46
Step by Step Solution
- Step 1: Write the proportion equation
3,119,637.12 : 4,679,621.76 = 989,887.84 : x - Step 2: Convert to fraction form
3,119,637.12/4,679,621.76 = 989,887.84/x - Step 3: Cross multiply
3,119,637.12x = 4,679,621.76 × 989,887.84 - Step 4: Simplify right side
3,119,637.12x = 4,632,300,676,023.40 - Step 5: Solve for x
x = 4,632,300,676,023.40/3,119,637.12 - Step 6: Final answer
x = 1,484,884.46
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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.