Finding the Fourth Proportional to 1,702,557.72, 2,349,547.83 and 938,638.62
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Solution
The fourth proportional to 1,702,557.72, 2,349,547.83 and 938,638.62 is: 1,295,331.32
Step by Step Solution
- Step 1: Write the proportion equation
1,702,557.72 : 2,349,547.83 = 938,638.62 : x - Step 2: Convert to fraction form
1,702,557.72/2,349,547.83 = 938,638.62/x - Step 3: Cross multiply
1,702,557.72x = 2,349,547.83 × 938,638.62 - Step 4: Simplify right side
1,702,557.72x = 2,205,376,332,775.19 - Step 5: Solve for x
x = 2,205,376,332,775.19/1,702,557.72 - Step 6: Final answer
x = 1,295,331.32
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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.