Finding the Fourth Proportional to 2,566,665.18, 3,849,987.29 and 647,580.87
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Solution
The fourth proportional to 2,566,665.18, 3,849,987.29 and 647,580.87 is: 971,368.66
Step by Step Solution
- Step 1: Write the proportion equation
2,566,665.18 : 3,849,987.29 = 647,580.87 : x - Step 2: Convert to fraction form
2,566,665.18/3,849,987.29 = 647,580.87/x - Step 3: Cross multiply
2,566,665.18x = 3,849,987.29 × 647,580.87 - Step 4: Simplify right side
2,566,665.18x = 2,493,178,115,509.24 - Step 5: Solve for x
x = 2,493,178,115,509.24/2,566,665.18 - Step 6: Final answer
x = 971,368.66
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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.