Finding the Fourth Proportional to 4,984,479.06, 6,878,411.04 and 2,749,345.19
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Solution
The fourth proportional to 4,984,479.06, 6,878,411.04 and 2,749,345.19 is: 3,794,002.55
Step by Step Solution
- Step 1: Write the proportion equation
4,984,479.06 : 6,878,411.04 = 2,749,345.19 : x - Step 2: Convert to fraction form
4,984,479.06/6,878,411.04 = 2,749,345.19/x - Step 3: Cross multiply
4,984,479.06x = 6,878,411.04 × 2,749,345.19 - Step 4: Simplify right side
4,984,479.06x = 18,911,126,273,274.84 - Step 5: Solve for x
x = 18,911,126,273,274.84/4,984,479.06 - Step 6: Final answer
x = 3,794,002.55
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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.