Home / 2,877,029.02-3,970,280.49-1,587,869.37

Finding the Fourth Proportional to 2,877,029.02, 3,970,280.49 and 1,587,869.37

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Solution

The fourth proportional to 2,877,029.02, 3,970,280.49 and 1,587,869.37 is: 2,191,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,029.02 : 3,970,280.49 = 1,587,869.37 : x
  2. Step 2: Convert to fraction form
    2,877,029.02/3,970,280.49 = 1,587,869.37/x
  3. Step 3: Cross multiply
    2,877,029.02x = 3,970,280.49 × 1,587,869.37
  4. Step 4: Simplify right side
    2,877,029.02x = 6,304,286,774,425.08
  5. Step 5: Solve for x
    x = 6,304,286,774,425.08/2,877,029.02
  6. Step 6: Final answer
    x = 2,191,248.93

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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.