Finding the Fourth Proportional to 1,657,319.72, 2,289,352.56 and 1,299,264.08
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Solution
The fourth proportional to 1,657,319.72, 2,289,352.56 and 1,299,264.08 is: 1,794,749.38
Step by Step Solution
- Step 1: Write the proportion equation
1,657,319.72 : 2,289,352.56 = 1,299,264.08 : x - Step 2: Convert to fraction form
1,657,319.72/2,289,352.56 = 1,299,264.08/x - Step 3: Cross multiply
1,657,319.72x = 2,289,352.56 × 1,299,264.08 - Step 4: Simplify right side
1,657,319.72x = 2,974,473,547,664.05 - Step 5: Solve for x
x = 2,974,473,547,664.05/1,657,319.72 - Step 6: Final answer
x = 1,794,749.38
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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.