Home / 2,178,001.02-3,005,714.45-1,197,981.52

Finding the Fourth Proportional to 2,178,001.02, 3,005,714.45 and 1,197,981.52

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Solution

The fourth proportional to 2,178,001.02, 3,005,714.45 and 1,197,981.52 is: 1,653,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,001.02 : 3,005,714.45 = 1,197,981.52 : x
  2. Step 2: Convert to fraction form
    2,178,001.02/3,005,714.45 = 1,197,981.52/x
  3. Step 3: Cross multiply
    2,178,001.02x = 3,005,714.45 × 1,197,981.52
  4. Step 4: Simplify right side
    2,178,001.02x = 3,600,790,365,496.96
  5. Step 5: Solve for x
    x = 3,600,790,365,496.96/2,178,001.02
  6. Step 6: Final answer
    x = 1,653,254.67

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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.