Home / 5,369,128.32-7,409,552.88-2,921,897.28

Finding the Fourth Proportional to 5,369,128.32, 7,409,552.88 and 2,921,897.28

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Solution

The fourth proportional to 5,369,128.32, 7,409,552.88 and 2,921,897.28 is: 4,032,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369,128.32 : 7,409,552.88 = 2,921,897.28 : x
  2. Step 2: Convert to fraction form
    5,369,128.32/7,409,552.88 = 2,921,897.28/x
  3. Step 3: Cross multiply
    5,369,128.32x = 7,409,552.88 × 2,921,897.28
  4. Step 4: Simplify right side
    5,369,128.32x = 21,649,952,406,088.16
  5. Step 5: Solve for x
    x = 21,649,952,406,088.16/5,369,128.32
  6. Step 6: Final answer
    x = 4,032,303.03

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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.