Finding the Fourth Proportional to 1,944,387.48, 2,683,817.82 and 1,128,774.36
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Solution
The fourth proportional to 1,944,387.48, 2,683,817.82 and 1,128,774.36 is: 1,558,035.51
Step by Step Solution
- Step 1: Write the proportion equation
1,944,387.48 : 2,683,817.82 = 1,128,774.36 : x - Step 2: Convert to fraction form
1,944,387.48/2,683,817.82 = 1,128,774.36/x - Step 3: Cross multiply
1,944,387.48x = 2,683,817.82 × 1,128,774.36 - Step 4: Simplify right side
1,944,387.48x = 3,029,424,742,127.10 - Step 5: Solve for x
x = 3,029,424,742,127.10/1,944,387.48 - Step 6: Final answer
x = 1,558,035.51
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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.