Home / 2,013,315.09-3,020,445.62-665,477.78

Finding the Fourth Proportional to 2,013,315.09, 3,020,445.62 and 665,477.78

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Solution

The fourth proportional to 2,013,315.09, 3,020,445.62 and 665,477.78 is: 998,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,315.09 : 3,020,445.62 = 665,477.78 : x
  2. Step 2: Convert to fraction form
    2,013,315.09/3,020,445.62 = 665,477.78/x
  3. Step 3: Cross multiply
    2,013,315.09x = 3,020,445.62 × 665,477.78
  4. Step 4: Simplify right side
    2,013,315.09x = 2,010,039,427,378.71
  5. Step 5: Solve for x
    x = 2,010,039,427,378.71/2,013,315.09
  6. Step 6: Final answer
    x = 998,373.00

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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.