Finding the Fourth Proportional to 5,564,708.67, 7,679,159.46 and 3,117,303.48
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Solution
The fourth proportional to 5,564,708.67, 7,679,159.46 and 3,117,303.48 is: 4,301,801.21
Step by Step Solution
- Step 1: Write the proportion equation
5,564,708.67 : 7,679,159.46 = 3,117,303.48 : x - Step 2: Convert to fraction form
5,564,708.67/7,679,159.46 = 3,117,303.48/x - Step 3: Cross multiply
5,564,708.67x = 7,679,159.46 × 3,117,303.48 - Step 4: Simplify right side
5,564,708.67x = 23,938,270,508,132.92 - Step 5: Solve for x
x = 23,938,270,508,132.92/5,564,708.67 - Step 6: Final answer
x = 4,301,801.21
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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.