Finding the Fourth Proportional to 4,961,421.68, 6,844,807.98 and 2,866,880.12
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Solution
The fourth proportional to 4,961,421.68, 6,844,807.98 and 2,866,880.12 is: 3,955,165.51
Step by Step Solution
- Step 1: Write the proportion equation
4,961,421.68 : 6,844,807.98 = 2,866,880.12 : x - Step 2: Convert to fraction form
4,961,421.68/6,844,807.98 = 2,866,880.12/x - Step 3: Cross multiply
4,961,421.68x = 6,844,807.98 × 2,866,880.12 - Step 4: Simplify right side
4,961,421.68x = 19,623,243,888,855.32 - Step 5: Solve for x
x = 19,623,243,888,855.32/4,961,421.68 - Step 6: Final answer
x = 3,955,165.51
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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.