Home / 1,931,999.01-2,911,885.41-1,665,345.48

Finding the Fourth Proportional to 1,931,999.01, 2,911,885.41 and 1,665,345.48

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Solution

The fourth proportional to 1,931,999.01, 2,911,885.41 and 1,665,345.48 is: 2,509,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,999.01 : 2,911,885.41 = 1,665,345.48 : x
  2. Step 2: Convert to fraction form
    1,931,999.01/2,911,885.41 = 1,665,345.48/x
  3. Step 3: Cross multiply
    1,931,999.01x = 2,911,885.41 × 1,665,345.48
  4. Step 4: Simplify right side
    1,931,999.01x = 4,849,295,197,494.72
  5. Step 5: Solve for x
    x = 4,849,295,197,494.72/1,931,999.01
  6. Step 6: Final answer
    x = 2,509,988.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.