Finding the Fourth Proportional to 4,142,043.90, 6,213,424.98 and 1,264,058.71
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Solution
The fourth proportional to 4,142,043.90, 6,213,424.98 and 1,264,058.71 is: 1,896,197.66
Step by Step Solution
- Step 1: Write the proportion equation
4,142,043.90 : 6,213,424.98 = 1,264,058.71 : x - Step 2: Convert to fraction form
4,142,043.90/6,213,424.98 = 1,264,058.71/x - Step 3: Cross multiply
4,142,043.90x = 6,213,424.98 × 1,264,058.71 - Step 4: Simplify right side
4,142,043.90x = 7,854,133,964,900.58 - Step 5: Solve for x
x = 7,854,133,964,900.58/4,142,043.90 - Step 6: Final answer
x = 1,896,197.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.