Home / 2,912,559.40-4,365,728.70-1,114,748.20

Finding the Fourth Proportional to 2,912,559.40, 4,365,728.70 and 1,114,748.20

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Solution

The fourth proportional to 2,912,559.40, 4,365,728.70 and 1,114,748.20 is: 1,670,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,559.40 : 4,365,728.70 = 1,114,748.20 : x
  2. Step 2: Convert to fraction form
    2,912,559.40/4,365,728.70 = 1,114,748.20/x
  3. Step 3: Cross multiply
    2,912,559.40x = 4,365,728.70 × 1,114,748.20
  4. Step 4: Simplify right side
    2,912,559.40x = 4,866,688,210,013.34
  5. Step 5: Solve for x
    x = 4,866,688,210,013.34/2,912,559.40
  6. Step 6: Final answer
    x = 1,670,931.83

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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.