Finding the Fourth Proportional to 1,570,603.70, 2,355,905.55 and 560,865.80
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Solution
The fourth proportional to 1,570,603.70, 2,355,905.55 and 560,865.80 is: 841,298.70
Step by Step Solution
- Step 1: Write the proportion equation
1,570,603.70 : 2,355,905.55 = 560,865.80 : x - Step 2: Convert to fraction form
1,570,603.70/2,355,905.55 = 560,865.80/x - Step 3: Cross multiply
1,570,603.70x = 2,355,905.55 × 560,865.80 - Step 4: Simplify right side
1,570,603.70x = 1,321,346,851,025.19 - Step 5: Solve for x
x = 1,321,346,851,025.19/1,570,603.70 - Step 6: Final answer
x = 841,298.70
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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.