Finding the Fourth Proportional to 4,280,805.16, 6,421,871.94 and 1,440,695.68
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Solution
The fourth proportional to 4,280,805.16, 6,421,871.94 and 1,440,695.68 is: 2,161,267.06
Step by Step Solution
- Step 1: Write the proportion equation
4,280,805.16 : 6,421,871.94 = 1,440,695.68 : x - Step 2: Convert to fraction form
4,280,805.16/6,421,871.94 = 1,440,695.68/x - Step 3: Cross multiply
4,280,805.16x = 6,421,871.94 × 1,440,695.68 - Step 4: Simplify right side
4,280,805.16x = 9,251,963,161,471.22 - Step 5: Solve for x
x = 9,251,963,161,471.22/4,280,805.16 - Step 6: Final answer
x = 2,161,267.06
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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.