Finding the Fourth Proportional to 3,137,685.36, 4,708,518.48 and 1,340,582.40
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Solution
The fourth proportional to 3,137,685.36, 4,708,518.48 and 1,340,582.40 is: 2,011,724.02
Step by Step Solution
- Step 1: Write the proportion equation
3,137,685.36 : 4,708,518.48 = 1,340,582.40 : x - Step 2: Convert to fraction form
3,137,685.36/4,708,518.48 = 1,340,582.40/x - Step 3: Cross multiply
3,137,685.36x = 4,708,518.48 × 1,340,582.40 - Step 4: Simplify right side
3,137,685.36x = 6,312,157,004,362.75 - Step 5: Solve for x
x = 6,312,157,004,362.75/3,137,685.36 - Step 6: Final answer
x = 2,011,724.02
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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.