Finding the Fourth Proportional to 1,703,242.71, 2,350,395.85 and 977,579.70
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Solution
The fourth proportional to 1,703,242.71, 2,350,395.85 and 977,579.70 is: 1,349,014.59
Step by Step Solution
- Step 1: Write the proportion equation
1,703,242.71 : 2,350,395.85 = 977,579.70 : x - Step 2: Convert to fraction form
1,703,242.71/2,350,395.85 = 977,579.70/x - Step 3: Cross multiply
1,703,242.71x = 2,350,395.85 × 977,579.70 - Step 4: Simplify right side
1,703,242.71x = 2,297,699,269,924.25 - Step 5: Solve for x
x = 2,297,699,269,924.25/1,703,242.71 - Step 6: Final answer
x = 1,349,014.59
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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.