Home / 1,904,856.32-2,628,694.08-1,045,430.72

Finding the Fourth Proportional to 1,904,856.32, 2,628,694.08 and 1,045,430.72

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Solution

The fourth proportional to 1,904,856.32, 2,628,694.08 and 1,045,430.72 is: 1,442,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,856.32 : 2,628,694.08 = 1,045,430.72 : x
  2. Step 2: Convert to fraction form
    1,904,856.32/2,628,694.08 = 1,045,430.72/x
  3. Step 3: Cross multiply
    1,904,856.32x = 2,628,694.08 × 1,045,430.72
  4. Step 4: Simplify right side
    1,904,856.32x = 2,748,117,544,714.14
  5. Step 5: Solve for x
    x = 2,748,117,544,714.14/1,904,856.32
  6. Step 6: Final answer
    x = 1,442,690.20

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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.