Finding the Fourth Proportional to 1,572,246.48, 2,169,707.49 and 893,220.24
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Solution
The fourth proportional to 1,572,246.48, 2,169,707.49 and 893,220.24 is: 1,232,648.11
Step by Step Solution
- Step 1: Write the proportion equation
1,572,246.48 : 2,169,707.49 = 893,220.24 : x - Step 2: Convert to fraction form
1,572,246.48/2,169,707.49 = 893,220.24/x - Step 3: Cross multiply
1,572,246.48x = 2,169,707.49 × 893,220.24 - Step 4: Simplify right side
1,572,246.48x = 1,938,026,644,947.60 - Step 5: Solve for x
x = 1,938,026,644,947.60/1,572,246.48 - Step 6: Final answer
x = 1,232,648.11
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1.5x scale
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.