Home / 4,720,038.44-6,511,295-2,979,864.40

Finding the Fourth Proportional to 4,720,038.44, 6,511,295 and 2,979,864.40

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Solution

The fourth proportional to 4,720,038.44, 6,511,295 and 2,979,864.40 is: 4,110,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,038.44 : 6,511,295 = 2,979,864.40 : x
  2. Step 2: Convert to fraction form
    4,720,038.44/6,511,295 = 2,979,864.40/x
  3. Step 3: Cross multiply
    4,720,038.44x = 6,511,295 × 2,979,864.40
  4. Step 4: Simplify right side
    4,720,038.44x = 19,402,776,168,398
  5. Step 5: Solve for x
    x = 19,402,776,168,398/4,720,038.44
  6. Step 6: Final answer
    x = 4,110,724.18

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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.