Home / 2,520,038.16-3,778,875.05-921,483.45

Finding the Fourth Proportional to 2,520,038.16, 3,778,875.05 and 921,483.45

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Solution

The fourth proportional to 2,520,038.16, 3,778,875.05 and 921,483.45 is: 1,381,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,038.16 : 3,778,875.05 = 921,483.45 : x
  2. Step 2: Convert to fraction form
    2,520,038.16/3,778,875.05 = 921,483.45/x
  3. Step 3: Cross multiply
    2,520,038.16x = 3,778,875.05 × 921,483.45
  4. Step 4: Simplify right side
    2,520,038.16x = 3,482,170,813,585.51
  5. Step 5: Solve for x
    x = 3,482,170,813,585.51/2,520,038.16
  6. Step 6: Final answer
    x = 1,381,792.89

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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.