Home / 5,277,156.16-7,916,062.40-1,911,392.32

Finding the Fourth Proportional to 5,277,156.16, 7,916,062.40 and 1,911,392.32

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Solution

The fourth proportional to 5,277,156.16, 7,916,062.40 and 1,911,392.32 is: 2,867,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,156.16 : 7,916,062.40 = 1,911,392.32 : x
  2. Step 2: Convert to fraction form
    5,277,156.16/7,916,062.40 = 1,911,392.32/x
  3. Step 3: Cross multiply
    5,277,156.16x = 7,916,062.40 × 1,911,392.32
  4. Step 4: Simplify right side
    5,277,156.16x = 15,130,700,876,000.77
  5. Step 5: Solve for x
    x = 15,130,700,876,000.77/5,277,156.16
  6. Step 6: Final answer
    x = 2,867,207.34

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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.