Finding the Fourth Proportional to 2,913,417.18, 4,370,256.99 and 2,110,875.66
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Solution
The fourth proportional to 2,913,417.18, 4,370,256.99 and 2,110,875.66 is: 3,166,408.56
Step by Step Solution
- Step 1: Write the proportion equation
2,913,417.18 : 4,370,256.99 = 2,110,875.66 : x - Step 2: Convert to fraction form
2,913,417.18/4,370,256.99 = 2,110,875.66/x - Step 3: Cross multiply
2,913,417.18x = 4,370,256.99 × 2,110,875.66 - Step 4: Simplify right side
2,913,417.18x = 9,225,069,108,135.87 - Step 5: Solve for x
x = 9,225,069,108,135.87/2,913,417.18 - Step 6: Final answer
x = 3,166,408.56
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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.