Finding the Fourth Proportional to 1,938,560.68, 2,907,610.14 and 518,726.44
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Solution
The fourth proportional to 1,938,560.68, 2,907,610.14 and 518,726.44 is: 778,027.88
Step by Step Solution
- Step 1: Write the proportion equation
1,938,560.68 : 2,907,610.14 = 518,726.44 : x - Step 2: Convert to fraction form
1,938,560.68/2,907,610.14 = 518,726.44/x - Step 3: Cross multiply
1,938,560.68x = 2,907,610.14 × 518,726.44 - Step 4: Simplify right side
1,938,560.68x = 1,508,254,256,830.10 - Step 5: Solve for x
x = 1,508,254,256,830.10/1,938,560.68 - Step 6: Final answer
x = 778,027.88
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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.