Home / 5,087,543.16-7,020,479.28-2,912,103.48

Finding the Fourth Proportional to 5,087,543.16, 7,020,479.28 and 2,912,103.48

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Solution

The fourth proportional to 5,087,543.16, 7,020,479.28 and 2,912,103.48 is: 4,018,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,543.16 : 7,020,479.28 = 2,912,103.48 : x
  2. Step 2: Convert to fraction form
    5,087,543.16/7,020,479.28 = 2,912,103.48/x
  3. Step 3: Cross multiply
    5,087,543.16x = 7,020,479.28 × 2,912,103.48
  4. Step 4: Simplify right side
    5,087,543.16x = 20,444,362,142,555.89
  5. Step 5: Solve for x
    x = 20,444,362,142,555.89/5,087,543.16
  6. Step 6: Final answer
    x = 4,018,513.75

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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.