Home / 2,153,670.12-2,972,084.40-1,186,835.09

Finding the Fourth Proportional to 2,153,670.12, 2,972,084.40 and 1,186,835.09

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Solution

The fourth proportional to 2,153,670.12, 2,972,084.40 and 1,186,835.09 is: 1,637,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,670.12 : 2,972,084.40 = 1,186,835.09 : x
  2. Step 2: Convert to fraction form
    2,153,670.12/2,972,084.40 = 1,186,835.09/x
  3. Step 3: Cross multiply
    2,153,670.12x = 2,972,084.40 × 1,186,835.09
  4. Step 4: Simplify right side
    2,153,670.12x = 3,527,374,041,501.17
  5. Step 5: Solve for x
    x = 3,527,374,041,501.17/2,153,670.12
  6. Step 6: Final answer
    x = 1,637,843.24

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1.5x scale

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.