Home / 2,077,806.40-3,116,709.60-657,973.60

Finding the Fourth Proportional to 2,077,806.40, 3,116,709.60 and 657,973.60

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Solution

The fourth proportional to 2,077,806.40, 3,116,709.60 and 657,973.60 is: 986,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,806.40 : 3,116,709.60 = 657,973.60 : x
  2. Step 2: Convert to fraction form
    2,077,806.40/3,116,709.60 = 657,973.60/x
  3. Step 3: Cross multiply
    2,077,806.40x = 3,116,709.60 × 657,973.60
  4. Step 4: Simplify right side
    2,077,806.40x = 2,050,712,635,666.56
  5. Step 5: Solve for x
    x = 2,050,712,635,666.56/2,077,806.40
  6. Step 6: Final answer
    x = 986,960.40

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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.