Finding the Fourth Proportional to 1,780,798.04, 2,671,217.58 and 643,646.60
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Solution
The fourth proportional to 1,780,798.04, 2,671,217.58 and 643,646.60 is: 965,477.32
Step by Step Solution
- Step 1: Write the proportion equation
1,780,798.04 : 2,671,217.58 = 643,646.60 : x - Step 2: Convert to fraction form
1,780,798.04/2,671,217.58 = 643,646.60/x - Step 3: Cross multiply
1,780,798.04x = 2,671,217.58 × 643,646.60 - Step 4: Simplify right side
1,780,798.04x = 1,719,320,113,227.23 - Step 5: Solve for x
x = 1,719,320,113,227.23/1,780,798.04 - Step 6: Final answer
x = 965,477.32
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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.