Finding the Fourth Proportional to 2,911,357.36, 4,367,846.19 and 1,270,178.20
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Solution
The fourth proportional to 2,911,357.36, 4,367,846.19 and 1,270,178.20 is: 1,905,620.76
Step by Step Solution
- Step 1: Write the proportion equation
2,911,357.36 : 4,367,846.19 = 1,270,178.20 : x - Step 2: Convert to fraction form
2,911,357.36/4,367,846.19 = 1,270,178.20/x - Step 3: Cross multiply
2,911,357.36x = 4,367,846.19 × 1,270,178.20 - Step 4: Simplify right side
2,911,357.36x = 5,547,943,011,491.06 - Step 5: Solve for x
x = 5,547,943,011,491.06/2,911,357.36 - Step 6: Final answer
x = 1,905,620.76
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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.