Home / 1,610,017.98-2,221,778-921,666.62

Finding the Fourth Proportional to 1,610,017.98, 2,221,778 and 921,666.62

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Solution

The fourth proportional to 1,610,017.98, 2,221,778 and 921,666.62 is: 1,271,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,017.98 : 2,221,778 = 921,666.62 : x
  2. Step 2: Convert to fraction form
    1,610,017.98/2,221,778 = 921,666.62/x
  3. Step 3: Cross multiply
    1,610,017.98x = 2,221,778 × 921,666.62
  4. Step 4: Simplify right side
    1,610,017.98x = 2,047,738,619,650.36
  5. Step 5: Solve for x
    x = 2,047,738,619,650.36/1,610,017.98
  6. Step 6: Final answer
    x = 1,271,873.14

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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.