Finding the Fourth Proportional to 1,430,303.21, 1,974,336.37 and 947,024.05
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Solution
The fourth proportional to 1,430,303.21, 1,974,336.37 and 947,024.05 is: 1,307,236.13
Step by Step Solution
- Step 1: Write the proportion equation
1,430,303.21 : 1,974,336.37 = 947,024.05 : x - Step 2: Convert to fraction form
1,430,303.21/1,974,336.37 = 947,024.05/x - Step 3: Cross multiply
1,430,303.21x = 1,974,336.37 × 947,024.05 - Step 4: Simplify right side
1,430,303.21x = 1,869,744,025,280.06 - Step 5: Solve for x
x = 1,869,744,025,280.06/1,430,303.21 - Step 6: Final answer
x = 1,307,236.13
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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.