Finding the Fourth Proportional to 1,587,681.33, 2,191,188.08 and 943,104.09
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Solution
The fourth proportional to 1,587,681.33, 2,191,188.08 and 943,104.09 is: 1,301,595.23
Step by Step Solution
- Step 1: Write the proportion equation
1,587,681.33 : 2,191,188.08 = 943,104.09 : x - Step 2: Convert to fraction form
1,587,681.33/2,191,188.08 = 943,104.09/x - Step 3: Cross multiply
1,587,681.33x = 2,191,188.08 × 943,104.09 - Step 4: Simplify right side
1,587,681.33x = 2,066,518,440,207.25 - Step 5: Solve for x
x = 2,066,518,440,207.25/1,587,681.33 - Step 6: Final answer
x = 1,301,595.23
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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.