Home / 1,931,457.16-2,665,538.22-1,115,695.18

Finding the Fourth Proportional to 1,931,457.16, 2,665,538.22 and 1,115,695.18

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Solution

The fourth proportional to 1,931,457.16, 2,665,538.22 and 1,115,695.18 is: 1,539,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,457.16 : 2,665,538.22 = 1,115,695.18 : x
  2. Step 2: Convert to fraction form
    1,931,457.16/2,665,538.22 = 1,115,695.18/x
  3. Step 3: Cross multiply
    1,931,457.16x = 2,665,538.22 × 1,115,695.18
  4. Step 4: Simplify right side
    1,931,457.16x = 2,973,928,144,159.78
  5. Step 5: Solve for x
    x = 2,973,928,144,159.78/1,931,457.16
  6. Step 6: Final answer
    x = 1,539,732.91

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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.