Home / 1,590,076.64-2,386,120.44-1,440,618.32

Finding the Fourth Proportional to 1,590,076.64, 2,386,120.44 and 1,440,618.32

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Solution

The fourth proportional to 1,590,076.64, 2,386,120.44 and 1,440,618.32 is: 2,161,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,076.64 : 2,386,120.44 = 1,440,618.32 : x
  2. Step 2: Convert to fraction form
    1,590,076.64/2,386,120.44 = 1,440,618.32/x
  3. Step 3: Cross multiply
    1,590,076.64x = 2,386,120.44 × 1,440,618.32
  4. Step 4: Simplify right side
    1,590,076.64x = 3,437,488,819,590.46
  5. Step 5: Solve for x
    x = 3,437,488,819,590.46/1,590,076.64
  6. Step 6: Final answer
    x = 2,161,838.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.