Home / 2,258,701.64-3,116,119.24-1,291,312.16

Finding the Fourth Proportional to 2,258,701.64, 3,116,119.24 and 1,291,312.16

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Solution

The fourth proportional to 2,258,701.64, 3,116,119.24 and 1,291,312.16 is: 1,781,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,701.64 : 3,116,119.24 = 1,291,312.16 : x
  2. Step 2: Convert to fraction form
    2,258,701.64/3,116,119.24 = 1,291,312.16/x
  3. Step 3: Cross multiply
    2,258,701.64x = 3,116,119.24 × 1,291,312.16
  4. Step 4: Simplify right side
    2,258,701.64x = 4,023,882,666,621.96
  5. Step 5: Solve for x
    x = 4,023,882,666,621.96/2,258,701.64
  6. Step 6: Final answer
    x = 1,781,502.52

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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.