Home / 2,712,912.40-4,069,368.60-1,116,621.10

Finding the Fourth Proportional to 2,712,912.40, 4,069,368.60 and 1,116,621.10

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Solution

The fourth proportional to 2,712,912.40, 4,069,368.60 and 1,116,621.10 is: 1,674,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,912.40 : 4,069,368.60 = 1,116,621.10 : x
  2. Step 2: Convert to fraction form
    2,712,912.40/4,069,368.60 = 1,116,621.10/x
  3. Step 3: Cross multiply
    2,712,912.40x = 4,069,368.60 × 1,116,621.10
  4. Step 4: Simplify right side
    2,712,912.40x = 4,543,942,842,437.46
  5. Step 5: Solve for x
    x = 4,543,942,842,437.46/2,712,912.40
  6. Step 6: Final answer
    x = 1,674,931.65

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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.