Home / 2,805,430.32-4,208,322.63-1,185,897.16

Finding the Fourth Proportional to 2,805,430.32, 4,208,322.63 and 1,185,897.16

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Solution

The fourth proportional to 2,805,430.32, 4,208,322.63 and 1,185,897.16 is: 1,778,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,430.32 : 4,208,322.63 = 1,185,897.16 : x
  2. Step 2: Convert to fraction form
    2,805,430.32/4,208,322.63 = 1,185,897.16/x
  3. Step 3: Cross multiply
    2,805,430.32x = 4,208,322.63 × 1,185,897.16
  4. Step 4: Simplify right side
    2,805,430.32x = 4,990,637,841,316.43
  5. Step 5: Solve for x
    x = 4,990,637,841,316.43/2,805,430.32
  6. Step 6: Final answer
    x = 1,778,920.62

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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.