Finding the Fourth Proportional to 1,575,114.70, 2,363,838.45 and 1,155,210.70
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Solution
The fourth proportional to 1,575,114.70, 2,363,838.45 and 1,155,210.70 is: 1,733,671.50
Step by Step Solution
- Step 1: Write the proportion equation
1,575,114.70 : 2,363,838.45 = 1,155,210.70 : x - Step 2: Convert to fraction form
1,575,114.70/2,363,838.45 = 1,155,210.70/x - Step 3: Cross multiply
1,575,114.70x = 2,363,838.45 × 1,155,210.70 - Step 4: Simplify right side
1,575,114.70x = 2,730,731,470,511.42 - Step 5: Solve for x
x = 2,730,731,470,511.42/1,575,114.70 - Step 6: Final answer
x = 1,733,671.50
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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.