Finding the Fourth Proportional to 4,938,362.84, 7,406,037.66 and 1,742,742.74
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Solution
The fourth proportional to 4,938,362.84, 7,406,037.66 and 1,742,742.74 is: 2,613,582.44
Step by Step Solution
- Step 1: Write the proportion equation
4,938,362.84 : 7,406,037.66 = 1,742,742.74 : x - Step 2: Convert to fraction form
4,938,362.84/7,406,037.66 = 1,742,742.74/x - Step 3: Cross multiply
4,938,362.84x = 7,406,037.66 × 1,742,742.74 - Step 4: Simplify right side
4,938,362.84x = 12,906,818,389,181.97 - Step 5: Solve for x
x = 12,906,818,389,181.97/4,938,362.84 - Step 6: Final answer
x = 2,613,582.44
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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.