Home / 2,113,303.88-2,916,359.36-1,207,905.32

Finding the Fourth Proportional to 2,113,303.88, 2,916,359.36 and 1,207,905.32

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Solution

The fourth proportional to 2,113,303.88, 2,916,359.36 and 1,207,905.32 is: 1,666,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,303.88 : 2,916,359.36 = 1,207,905.32 : x
  2. Step 2: Convert to fraction form
    2,113,303.88/2,916,359.36 = 1,207,905.32/x
  3. Step 3: Cross multiply
    2,113,303.88x = 2,916,359.36 × 1,207,905.32
  4. Step 4: Simplify right side
    2,113,303.88x = 3,522,685,965,354.47
  5. Step 5: Solve for x
    x = 3,522,685,965,354.47/2,113,303.88
  6. Step 6: Final answer
    x = 1,666,909.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.