Finding the Fourth Proportional to 2,911,357.84, 4,367,846.91 and 1,270,178.68
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Solution
The fourth proportional to 2,911,357.84, 4,367,846.91 and 1,270,178.68 is: 1,905,621.47
Step by Step Solution
- Step 1: Write the proportion equation
2,911,357.84 : 4,367,846.91 = 1,270,178.68 : x - Step 2: Convert to fraction form
2,911,357.84/4,367,846.91 = 1,270,178.68/x - Step 3: Cross multiply
2,911,357.84x = 4,367,846.91 × 1,270,178.68 - Step 4: Simplify right side
2,911,357.84x = 5,547,945,994,395.75 - Step 5: Solve for x
x = 5,547,945,994,395.75/2,911,357.84 - Step 6: Final answer
x = 1,905,621.47
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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.