Home / 3,158,431.32-4,358,622.54-1,708,128.24

Finding the Fourth Proportional to 3,158,431.32, 4,358,622.54 and 1,708,128.24

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Solution

The fourth proportional to 3,158,431.32, 4,358,622.54 and 1,708,128.24 is: 2,357,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,431.32 : 4,358,622.54 = 1,708,128.24 : x
  2. Step 2: Convert to fraction form
    3,158,431.32/4,358,622.54 = 1,708,128.24/x
  3. Step 3: Cross multiply
    3,158,431.32x = 4,358,622.54 × 1,708,128.24
  4. Step 4: Simplify right side
    3,158,431.32x = 7,445,086,248,074.53
  5. Step 5: Solve for x
    x = 7,445,086,248,074.53/3,158,431.32
  6. Step 6: Final answer
    x = 2,357,210.11

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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.