Finding the Fourth Proportional to 4,249,896.32, 5,864,685.84 and 2,316,115.28
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Solution
The fourth proportional to 4,249,896.32, 5,864,685.84 and 2,316,115.28 is: 3,196,145.85
Step by Step Solution
- Step 1: Write the proportion equation
4,249,896.32 : 5,864,685.84 = 2,316,115.28 : x - Step 2: Convert to fraction form
4,249,896.32/5,864,685.84 = 2,316,115.28/x - Step 3: Cross multiply
4,249,896.32x = 5,864,685.84 × 2,316,115.28 - Step 4: Simplify right side
4,249,896.32x = 13,583,288,486,423.63 - Step 5: Solve for x
x = 13,583,288,486,423.63/4,249,896.32 - Step 6: Final answer
x = 3,196,145.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.