Finding the Fourth Proportional to 4,911,964.66, 6,778,720.47 and 2,736,506.62
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Solution
The fourth proportional to 4,911,964.66, 6,778,720.47 and 2,736,506.62 is: 3,776,495.70
Step by Step Solution
- Step 1: Write the proportion equation
4,911,964.66 : 6,778,720.47 = 2,736,506.62 : x - Step 2: Convert to fraction form
4,911,964.66/6,778,720.47 = 2,736,506.62/x - Step 3: Cross multiply
4,911,964.66x = 6,778,720.47 × 2,736,506.62 - Step 4: Simplify right side
4,911,964.66x = 18,550,013,441,284.51 - Step 5: Solve for x
x = 18,550,013,441,284.51/4,911,964.66 - Step 6: Final answer
x = 3,776,495.70
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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.