Finding the Fourth Proportional to 2,740,303.52, 3,781,244.53 and 1,578,317.62
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Solution
The fourth proportional to 2,740,303.52, 3,781,244.53 and 1,578,317.62 is: 2,177,862.71
Step by Step Solution
- Step 1: Write the proportion equation
2,740,303.52 : 3,781,244.53 = 1,578,317.62 : x - Step 2: Convert to fraction form
2,740,303.52/3,781,244.53 = 1,578,317.62/x - Step 3: Cross multiply
2,740,303.52x = 3,781,244.53 × 1,578,317.62 - Step 4: Simplify right side
2,740,303.52x = 5,968,004,866,837.24 - Step 5: Solve for x
x = 5,968,004,866,837.24/2,740,303.52 - Step 6: Final answer
x = 2,177,862.71
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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.