Finding the Fourth Proportional to 1,658,435.08, 2,289,231.30 and 979,374.28
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Solution
The fourth proportional to 1,658,435.08, 2,289,231.30 and 979,374.28 is: 1,351,885.45
Step by Step Solution
- Step 1: Write the proportion equation
1,658,435.08 : 2,289,231.30 = 979,374.28 : x - Step 2: Convert to fraction form
1,658,435.08/2,289,231.30 = 979,374.28/x - Step 3: Cross multiply
1,658,435.08x = 2,289,231.30 × 979,374.28 - Step 4: Simplify right side
1,658,435.08x = 2,242,014,256,190.96 - Step 5: Solve for x
x = 2,242,014,256,190.96/1,658,435.08 - Step 6: Final answer
x = 1,351,885.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.