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Finding the Fourth Proportional to 4,886,009.64, 6,742,701.24 and 2,710,552.86

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Solution

The fourth proportional to 4,886,009.64, 6,742,701.24 and 2,710,552.86 is: 3,740,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,009.64 : 6,742,701.24 = 2,710,552.86 : x
  2. Step 2: Convert to fraction form
    4,886,009.64/6,742,701.24 = 2,710,552.86/x
  3. Step 3: Cross multiply
    4,886,009.64x = 6,742,701.24 × 2,710,552.86
  4. Step 4: Simplify right side
    4,886,009.64x = 18,276,448,130,207.55
  5. Step 5: Solve for x
    x = 18,276,448,130,207.55/4,886,009.64
  6. Step 6: Final answer
    x = 3,740,567.35

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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.